不识好歹[bù shí hǎo dǎi]
词典not to know chalk from cheese：不辨菽麦；不识好歹；不知好歹。
词典be gullible：不识好歹。
词典cannot tell good from bad：不识好歹。
词典not to know what is good for one：不识好歹。
不识好歹[bù shí hǎo dǎi]
not to know chalk from cheese; be gullible; cannot tell good from bad; not to know what is good for one
1. 911查询·英语单词
1. 红楼梦》第25回中有这么一句话：没良心的！狗咬吕洞宾——不识好歹。
Like the dog that bit Lu Dongbin - you bite the hand that feeds you.
2. 不识好歹
2. 我不是一个不识好歹的人。
I'm not an ingrate.
3. 你真不识好歹！一个老笑着的女人有多好！
Ingrate! a woman who laughs is such a good thing!