用力

yònglì
to exert oneself physically

CEDICT

Entry Composition

1 用 yòng
  1. to use; to make use of; to employ
  2. (coverb) with; using
  3. to need; to have to (usu. used in the negative or in questions)
  4. usefulness; utility
  5. (bound form) expense; outlay
  6. (courteous) to eat; to drink
  7. (literary) hence; therefore
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously