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Meaning of 不知好歹

Lookup via: Pinyin | Radicals
不 bù 知 zhī 好 hǎo 歹 dǎi
unable to differentiate good from bad (idiom); not to know what's good for one; unable to recognize others' good intentions
Example Sentences
1
你怎么不知好歹呢
?
Why didn't you know good from bad?
2
小孩子是不知好歹的
。
Young children are amoral.
3
她是不是太不知好歹了
?
摇了摇头
。
Was she too stubborn?Shook to jolt head.
4
对不知好歹的人释以善意是愚蠢的
。
It is a mistake to lavish kindness to ungrateful people.
5
事实上
,
他经常换女友
,
因为他不知好歹
。
In fact, he often changes girlfriend, for he doesn't know chalk from cheese.