专心致志 zhuān xīn zhì zhì

DEFINITIONS

  1. with single-hearted devotion (idiom)

CHARACTERS

专 zhuān
HSK 4
monopolize, take sole possession
心 xīn
HSK 3
heart; mind, intelligence; soul
致 zhì
HSK 5
send, deliver, present; cause
志 zhì
HSK 4
purpose, will, determination; annals