不識好歹 bù shí hǎo dǎi

unable to tell good from bad (idiom); undiscriminating

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. unable to tell good from bad (idiom)
  2. 2. undiscriminating

Characters

Character Meaning
不 bù HSK 1
not; no; (negative prefix)
識 shí
to know; knowledge; Taiwan pr. shì
好 hǎo HSK 1
good; well; very
歹 dǎi HSK 6
bad; evil; wicked