动 need or exert great effort; be strenuous: |
| 他有气喘病,呼吸很费力。 Asthma causes him great difficulty in breathing. |
| 我们费了大力才把这件事办好。 It took us a lot of effort to get this done. |
| 有了这种机器,插秧就不那么费力了。 With this kind of machine it is no longer a strain to transplant rice seedlings. |