費勁

费劲
fèijìn
  1. to require effort
  2. strenuous

CEDICT

Entry Composition

1 費 fèi
  1. to cost
  2. to spend
  3. fee
  4. wasteful
  5. expenses
2 勁 jìn
  1. strength
  2. energy
  3. enthusiasm
  4. spirit
  5. mood
  6. expression
  7. interest
  8. Taiwan pr. jìng

classifier: 把