不识高低

不識高低
bùshígāodī
can't recognize tall or short (idiom); doesn't know what's what

CEDICT

Entry Composition

1 不识 bùshí
  1. (literary) to fail to see; not to know; not to appreciate
  2. to fail to see; not to know; not to appreciate
2 高低 gāodī
  1. height; level; (music) pitch
  2. relative superiority
  3. propriety; discretion (usu. in the negative, e.g. 不知高低 bùzhīgāodī)
  4. no matter what; just; simply (will not ..., must ... etc)
  5. at long last