不識高低 bù shí gāo dī

DEFINITIONS

  1. can't recognize tall or short (idiom); doesn't know what's what

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
識 shí recognize, understand, know
高 gāo
HSK 1
high, tall; lofty, elevated
低 dī
HSK 4
low; to lower, hang, bend, bow