bat1 sik1 hou2 daai2不識好歹不识好歹

Jyutpingbat1 sik1 hou2 daai2
Yalebāt sīk hóu dáai
語句

Definition

Unable to tell good from bad, right from wrong, or to appreciate someone's good intentions.

colloquialpeopleemotion

How it's used

This phrase is used to criticize someone for being ungrateful or lacking the judgment to distinguish between genuine kindness and malicious intent. It carries a strong tone of frustration or disappointment, often directed at people who reject help or act against their own best interests. It is rarely used in a neutral or academic context, as it functions primarily as a scolding or a harsh observation of character.

Common phrases

really don't know what's good for you

Common mistake

Learners often mistake this for simply meaning 'ignorant' or 'stupid', but it specifically refers to a failure in moral or social judgment regarding how others treat you. It is not used for general lack of knowledge about facts or skills.

Grammar color guide

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