shī​zi​bó​tù​yòng​quán​lì

go all out

  1. to go all out even on minor tasks
    Literally "a lion hunting a rabbit"; used to describe giving one's full effort to a small task or treating a minor problem with serious attention.
  2. to use
    To use; to employ; to apply or make use of something to achieve a purpose.
  3. all one's strength
    the entirety of one's power or energy; full strength