| 1. | There is no knowing when he will come .
无法知道他什么时候来。 |
| 2. | We can not know the average longevity until we contact other civilizations .
我们在接触到其他文明世界以前是无法知道平均寿命的。 |
| 3. | As the floods had put the telephone out of order, we could not find out how they were managing .
由于洪水使电话线路中断，我们无法知道他们的情况。 |
| 4. | 18 . 4 solo activity ; itinerary unknown to others
单独行动，别人无法知道你的行程。 |
| 5. | Montague i neither knew it nor can learn of him
蒙泰戈我不知道，也无法知道。 |
| 6. | He did not know if she would get better or worse
他无法知道是变好或是变坏。 |
| 7. | We have no way of knowing who the adam of age nine , age 10 ,
我们无法知道亚当9岁, 10岁 |
| 8. | And you don ' t know if it will be your last
而您无法知道这是否是最后一刻。 |
| 9. | There is no means of telling what will happen
无法知道将会发生什么。 |
| 10. | " and owe you more than you can ever know
“你也无法知道我欠你多少” |
