| 1. | He may never feel certain of not losing himself again .
他保不住他不再发昏。 |
| 2. | He seems not certain of his way .
他似乎举棋不定。 |
| 3. | I'm quite certain of itshe looks so malicious .
我相信一定是的她的样子显得那样恶毒。 |
| 4. | I am certain of success .
我对成功有把握。 |
| 5. | The father commented now and then on certain of the animals .
父亲不时对某些牲畜评头论足一番。 |
| 6. | They do not always procure a friend, but are certain of creating many enemies .
他们难得交友，但树敌不少。 |
| 7. | You would better leave now if you want to make certain of getting there on time .
你要想准时到达那里就最好马上走。 |
| 8. | Now that he was on his legs, it was more difficult to make certain of his age .
虽然他已经站了起来，却叫人更捉摸不透他的年令。 |
| 9. | He was much less certain of success than i; he told me his doubts repeatedly .
他对能否成功远比我缺乏把握；他多次向我表示过怀疑。 |
| 10. | Instead, i found that certain of their characteristics were beginning to stick to me .
我却发现他们的某种特性逐渐依附在我的身上了。 |
