Correct

不识好歹

/ bù shí hǎodǎi /
Strokes

Definition

unable to tell good from bad (idiom)/undiscriminating

Example

Definition

cannot tell good from bad; not know chalk from cheese; mistake good for bad

1
shíhǎodǎi
不识好歹
  
,
jìngrán
竟然
qiǎngjié
抢劫
jǐngchá
警察
  

He made a misguided attempt to rob a policeman.

2
shíhǎodǎi
不识好歹
  
,
de
huà
dàngchéng
当成
è
恶意
le
  

He couldn't tell the difference between good and bad and took my words ill.

Related

不识好歹