| Gb | Eng |
|---|---|
| 他总吹嘘自己在网球场上的杰出技术，可是帕姆毫不费力地连续数局败他，使他马上威风扫地。 | He was boasting as usual about his prowess on the tennis court, but Pam soon cut him down to size by beating him effortlessly in straight sets. |
| 过去的事哭也是白费力气。 | It is no use crying about the past. |
| 要我承认错了，是很费力的。 | It was painful to admit that I was wrong. |
| 在无人岛上夸耀富有也是白费力气。 | It is of no use boasting of being rich on a desert island. |
| 他白费力气想抓住停在花上的蝴蝶。 | He tried in vain to catch the butterfly on the flower. |