争分夺秒 zhēng fēn duó miǎo

DEFINITIONS

  1. lit. fight minutes, snatch seconds (idiom); a race against time
  2. making every second count

CHARACTERS

争 zhēng dispute, fight, contend, strive
分 fēn divide; small unit of time etc.
夺 duó take by force, rob, snatch
秒 miǎo beard of grain or corn; a second