吃力

chīlì
  1. to entail strenuous effort
  2. to toil at a task
  3. strenuous
  4. laborious
  5. strain

CEDICT

Entry Composition

=1 吃 chī
  1. to eat; to consume
  2. to eat at (a cafeteria etc)
  3. to eradicate; to destroy
  4. to absorb
  5. to suffer (shock, injury, defeat etc)
=1 吃 chī variant of 吃 chī
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously