灰不溜丟 huī bu liū diū

DEFINITIONS

  1. gloomy and dull (idiom)
  2. boring and gray
  3. unpleasantly murky

CHARACTERS

灰 huī
HSK 5
ashes; dust; lime, mortar
不 bu
HSK 1
no, not; un-; negative prefix
溜 liū
HSK 6
slide, glide, slip; slippery
丟 diū discard, reject, lose