成語接龍 (Idiom Chain) game. The tool opens with an idiom; your idiom must start with the last character of the previous one, and the tool chains off yours. ~5,000 four-character Chinese idioms. A for-fun word game.
Chinese Idiom Chain Game (成語接龍)
成語接龍
How to play
The tool opens with an idiom
When the game loads, the tool plays a fixed auspicious opener (e.g. 一帆风顺 / yī fān fēng shùn). Tapping "New game" cycles to the next opener in a fixed, predictable order.
Chain off the "Last character"
Your idiom must START with the LAST character of the current idiom. If the current idiom is 一帆风顺 (last char 顺), you must enter an idiom beginning with 顺 — e.g. 顺理成章.
Submit and watch the tool reply
On submit, the tool checks three rules: it is a real idiom, its first character matches the required last character, and it hasn't been used this game. Pass, and the tool immediately chains its own idiom off YOUR last character.
Stuck? Use Hint, or start a New game
Tap "Hint" for one valid next idiom. If it becomes the tool's turn and it can't move, you win! Tap "New game" any time to restart from a fresh opener.
Idiom Chain (成語接龍): Chinese's Most Classic Word Game
成語接龍 (chéngyǔ jiēlóng), "idiom chaining", is one of the most widely played language games in the Chinese-speaking world. The rule is simple yet endlessly generative: the last character of one idiom must be the first character of the next, linking idioms end-to-head in a chain — hence "dragon-linking" (接龍). From classrooms to family banquets, from teaching children characters to entertaining adults at gatherings, idiom chaining crosses ages and regions. It is both a game and a near-effortless way to build idiom vocabulary and sharpen one's feel for the language. This tool pits you against a built-in idiom set: it opens, you chain, and whoever can't continue loses.
The chaining rule, and how this tool judges a move
This tool uses the most common "exact-character" variant — you chain on an identical character form, not a homophone (so 顺 chains only to 顺, never to its homophone 瞬). That keeps the rule unambiguous and the verdict deterministic, ideal for human-vs-tool play. On each submission, the tool checks three things: first, the entry must be a real four-character idiom (present in the ~5,000-entry set); second, its first character must equal the current idiom's last character; third, it must be unused this game (to prevent infinite loops). If any check fails, the tool tells you exactly which rule was broken so you can try another. The tool's own reply is deterministic: it always takes the first-listed unused idiom that begins with your last character — so the same move always draws the same response.
"The tail of one word, the head of the next — links upon links, on and on without end." — the spirit of idiom chaining
Why the chain sometimes "dead-ends"
Not every character can start an idiom. Some characters almost never appear at the head of a 成語 (rare or colloquial ones especially), so once a step's last character lands on one of those, the chain can stop dead. That is precisely where the fun and strategy live: skilled players pick idioms whose last character is "easy to follow" to keep the game alive, or conversely play one whose last character is hard to follow to corner the opponent. When it becomes the tool's turn and no idiom can follow, you win; when you are stuck, tap "Hint" to see whether the set really does have a continuation. The whole game runs locally in your browser — the idiom set is fetched once and then cached, no input is uploaded — purely light-hearted word play.
10 Facts about Idiom Chaining
The name 接龍 ("link the dragon") pictures the game vividly: each idiom is a segment of the dragon's body, joined head to tail into one long chain. This linked-ring format has circulated in folk play for centuries.
Variants range from strict to loose: the strictest "exact-character" form needs an identical character; looser "homophone" play allows same-sounding characters (一 → 衣). This tool uses the strictest exact-character rule for the clearest verdicts.
Some characters are near "dead ends" — almost no idiom starts with them. Steering the chain so the last character lands on one of those is a classic way to stump your opponent.
Four-character idioms are the staple, but idioms aren't limited to four: there are three-character (莫須有), five-, seven-, and longer ones. Most chaining games (this tool included) use only four-character idioms for tidier rules.
Homophone chaining can "revive" a game: when strict chaining dead-ends, relaxing to same-sounding characters often reopens a path — so players at gatherings frequently switch to the homophone rule on the fly to keep playing.
Idiom chaining is a staple of Chinese-language teaching. It turns dull idiom memorisation into competitive interaction; students expand their vocabulary on their own just to "have something to play", which sticks far better than rote learning.
The "idiom loop" (成語龍) is an advanced form: you must eventually chain back to the starting idiom, closing a full ring. It demands a huge vocabulary and forward planning — a hardcore challenge among expert players.
Chaining games exist across languages: Japanese has しりとり (tail-sound chaining), English has the word chain. Chinese, with the fixed four-character structure of its idioms, makes for an especially neat and elegant version.
Going digital lets you chain against the "computer": with a built-in idiom set, a tool can instantly check whether your idiom is legal and chain its own in a fraction of a second — an experience traditional pen-and-paper chaining can't offer.
This tool's set holds ~5,000 four-character idioms, covering the vast majority of common ones — but Chinese has far more (over 50,000). If you play an obscure idiom that isn't in the set, the tool says "not in the idiom set" — which doesn't mean it isn't a real idiom.
Frequently Asked Questions
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The core rule is one line: your idiom's first character must equal the previous idiom's last character. The tool opens, you chain off its last character, it chains off yours, and so on. This tool adds two checks: the entry must be a real idiom and unused this game. Whoever's turn comes and can't continue loses.
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The set holds ~5,000 four-character idioms — most common ones — but Chinese has over 50,000, so not all fit. An obscure idiom may genuinely be absent; that's a coverage limit, not a judgement that it isn't an idiom. Try a more common one instead.
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No. This tool uses the strictest "exact-character" rule: the form must be identical — 顺 chains only to 顺, not to its homophone 瞬. That keeps verdicts deterministic and predictable for human-vs-tool play. Homophone chaining is a looser variant this tool does not enable.
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Fully deterministic — no randomness. From the idioms that begin with your last character and are unused this game, the tool plays the first-listed one in the set. So the same position and the same move always draw the same reply — you can reproduce an entire game.
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When you're stuck, tap "Hint" and the tool shows one legal idiom (beginning with the current last character and unused this game) for reference. The hint only shows you a move — it doesn't play for you. Whether and which to use is still your call.
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You win when it becomes the tool's turn but the set has no idiom that begins with your last character and is still unused — the tool can't continue. It says so explicitly: "I can't continue — you win!" This usually happens when you cleverly steer the last character toward a rare one.
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Not random. The tool has a fixed list of auspicious openers (一帆风顺, 万事如意, …); "New game" cycles to the next one in a fixed order, so openers are predictable and reproducible. This keeps the whole game fully deterministic, with no random numbers anywhere.
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Yes. The set is stored internally in Simplified; the tool converts your input to Simplified before matching, so whether you type Simplified or Traditional, any idiom in the set is recognised. In the Traditional interface, the chain and idioms are displayed in Traditional.
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No. The whole game runs locally in your browser; the idiom set is fetched once and then cached, with no further server calls. The idioms you type and the chain history are never uploaded or stored. RECATOOLS enforces zero-tracking, zero-storage.
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It helps a lot. To "have a move", you actively recall idioms that start with a given character, and this demand-driven retrieval cements memory better than rote learning. With the Hint feature you also meet new idioms when stuck and expand your vocabulary. As light language practice it works well — though at heart it's a for-fun game, not an exam tool.
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