不知好歹

bù zhī hǎo dǎi

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Definitions

  1. 1. unable to differentiate good from bad (idiom)
  2. 2. not to know what's good for one
  3. 3. unable to recognize others' good intentions

Child Words of 不知好歹

不
bù

no; not so

不知
bù zhī

not to know

好
hǎo

good

好
hào

to be fond of; to have a tendency to; to be prone to

好歹
hǎo dǎi

good and bad

歹
dǎi

bad

知
zhī

to know