不知輕重 bù zhī qīng zhòng

DEFINITIONS

  1. lit. not knowing what's important (idiom); no appreciation of the gravity of things
  2. naive
  3. doesn't know who's who
  4. no sense of priorities

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
輕 qīng light; easy, simple; gentle
重 zhòng
HSK 3
heavy, weighty; double