caap3 hyut3 wai4 mang4插血為盟插血为盟

Jyutpingcaap3 hyut3 wai4 mang4
Yalechaap hyut wàih màhng

Definition

To prick one's finger to draw blood for a ceremonial oath.

colloquialpeopleother

How it's used

This idiom carries a heavy, dramatic tone often associated with historical dramas or triad-related fiction. It is rarely used to describe actual modern-day events, serving instead as a hyperbolic way to describe a very serious, unbreakable promise between people. Using it in casual conversation often adds a layer of irony or sarcasm regarding the sincerity of a pledge.

Examples

They once made a blood oath, but who knew they would fall out in the end.

Common phrases

Common mistake

Do not use this to describe a simple promise or a formal contract, as it specifically implies a ritualistic, life-or-death commitment. It is strictly metaphorical in modern usage and should not be taken literally.

Grammar color guide

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