koi3 sai3 mou4 soeng1蓋世無雙盖世无双

Jyutpingkoi3 sai3 mou4 soeng1
Yalekoi sai mòuh sēung

Definition

Unrivalled; unique; the only one in the world.

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How it's used

This idiom carries a grand, slightly dramatic tone often found in martial arts novels or historical storytelling. It is rarely used in casual, everyday conversation to describe mundane things, as it implies a level of excellence that is literally unmatched in the entire world. Using it for minor achievements can sound sarcastic or overly hyperbolic.

Examples

Their cooking skills are simply unrivalled.
Is this treasure really one of a kind?

Common phrases

unrivalled talent
unparalleled achievement

Common mistake

Learners often mistake this for a common adjective, but it is a formal idiom that does not fit into simple sentences about daily life. Avoid using it to describe people or things you encounter in routine situations, as it will sound unnatural and pretentious.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
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