無力

无力
wúlì
  1. powerless
  2. lacking strength

CEDICT

Entry Composition

1 無 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously