21. | In the act of picking up the ball, he slipped and fell. |
| 他在拣球时滑了一跤。
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22. | The car 'engine is beginning to act up. |
| 汽车引擎开始出毛病了。
|
23. | Act up to your belief. |
| 按你的信念办。
|
24. | He tried to act up to his reputation. |
| 他尽力做与自己的名声相称的事。
|
25. | act as a brake (up) on social progress |
| 对社会进步起阻碍作用
|
26. | act up |
| (机器)出毛病;(旧病)复发,恶化
|
27. | act (up) on |
| 对。。。起作用;按照。。。行动
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28. | act up to |
| 实践[诺言,原则等);做与(自己的名声等)相称的事
|
29. | act up to a promise |
| 履行诺言
|
30. | act up to one 's ideal |
| 实践自己的理想
|