大力

dàlì
energetically; vigorously

CEDICT

Entry Composition

1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously