workhardening

例句：

1. 1. The team is working hard to improve their performance.
   团队正在努力提高他们的性能。
2. 2. Hard work pays off in the long run.
   长期来看，辛勤工作是值得的。
3. 3. He works hard every day to achieve his goals.
   他每天努力工作以实现他的目标。