| 21. | a man of uncertain temper |
| 喜怒无常的人
|
| 22. | an uncertain voice, smile |
| 吞吞吐吐的说话声, 似笑非笑
|
| 23. | the baby's first uncertain steps |
| 婴儿初学行走时不稳的脚步
|
| 24. | adventure in the unknown, uncertain fields |
| 在陌生和不确知的领域里探索
|
| 25. | the irrevocable past and the uncertain future |
| 不能挽回的过去与难以预料的将来
|
| 26. | be uncertain about the outcome |
| 不确知结果
|
| 27. | be uncertain of [about, as to] the meaning of the sentence |
| 对句子的意义不能确定
|
| 28. | be uncertain of success |
| 对是否能成功没有把握
|