居心叵測 jū xīn pǒ cè

DEFINITIONS

  1. harboring unfathomable motives (idiom)

CHARACTERS

居 jū
HSK 3
live, dwell, reside, sit
心 xīn
HSK 3
heart; mind, intelligence; soul
叵 pǒ cannot, be unable do, improbable; thereupon
測 cè measure, estimate, conjecture