m4 zi1 sei2唔知死
Jyutpingm4 zi1 sei2
Yalem̀h jī séi
Definition
To be oblivious to danger, or to know no fear in a reckless or foolish way.
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How it's used
Describes someone who acts recklessly because they fail to perceive the severity of a situation. It carries a strong sense of exasperation or warning from the speaker. Unlike simply being brave, it implies a lack of common sense or a dangerous level of ignorance.
Examples
You really have no fear of consequences doing it like that.
He always jaywalks, he really is oblivious to the danger.
Related words
Common phrases
really oblivious to danger
Common mistake
Do not confuse this with being brave or courageous. It is almost exclusively used as a criticism or a warning to someone who is acting foolishly and putting themselves at risk.
Grammar color guide
Noun
Verb
Adjective
Adverb
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Classifier
Particle
Connector
Grammar guides
- Directional complementsThe small words added after a verb to show direction of movement, like up, down, out, in, and back. Common in everyday Cantonese.
- DemonstrativesThis and that with 呢 and 嗰, the personal pronouns, and how 哋 turns I, you, and he into we, you all, and they.
- Resultative complementsSticking a result word onto a verb to show how it turned out, like eat until full or look and find. A productive everyday pattern.



