独一无二 dúyī-wú’èr unique
(idiom) unique; unmatched; unrivalled
How to remember 独一无二: 独 alone + 一 one + 无 have not + 二 two = unique.
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How it is used
- One of a kind, with no equal - 每个人都是独一无二的 (měi ge rén dōu shì dúyī wú'èr de) everyone is unique.
- Stronger and more absolute than 独特 (dútè, distinctive); 独一无二 means literally nothing else compares, not merely unusual.
- Used predicatively or attributively (独一无二的珍宝, dúyī wú'èr de zhēnbǎo, an unrivalled treasure); common in praise and marketing copy.