莫測高深 mò cè gāo shēn

DEFINITIONS

  1. enigmatic
  2. beyond one's depth
  3. unfathomable

CHARACTERS

莫 mò
HSK 6
do not, is not, can not; negative
測 cè measure, estimate, conjecture
高 gāo
HSK 1
high, tall; lofty, elevated
深 shēn
HSK 4
deep; depth; far; very, extreme