深不可测 shēn bù kě cè

DEFINITIONS

  1. deep and unmeasurable (idiom); unfathomable depths
  2. incomprehensible
  3. enigmatic and impossible to predict

CHARACTERS

深 shēn
HSK 4
deep; depth; far; very, extreme
不 bù
HSK 1
no, not; un-; negative prefix
可 kě
HSK 2
may, can, -able; possibly
测 cè
HSK 5
measure, estimate, conjecture