1. It is fairly clear that the sleeping period must have some function,
    很清楚，睡眠必然具有某种作用。

2. It was as clear as daylight then that burglars had forced an entry during her absence.
    事情很清楚，在她外出时，窃贼曾闯进家门。

3. It took me another three months to clear the inside, so as to make an exact boat of it.
    我又用三个月的功夫把树挖空,使它更像一条真船。

4. Isn´t that clear?"
    这还不清楚吗？”

5. In fact, he made it very clear when we were discussing marriage that if I had any doubts about anything, I should not hesitate to cancel our plans."
    事实上，当我们在讨论结婚的时候，他清楚地表明了这样一点：如果我对任何事情有怀疑, 我完全可以取消我们的计划。"

6. It became clear most strongly at the shop I mentioned earlier, the one where a clerk conspicuously positioned herself in the entrance on seeing us.
    在我先前提到过的那家商店里, 就是有位营业员一见到我们就显眼地堵在大门口的那家商店, 这种令人震惊的事表现得最为突出。

7. It was all very strange, yet very clear.
    它显得异常奇怪陌生，但却清晰在目。

8. Inside our clear chamber, we were warm and comfortable, but outside was a whole different world.
    坐在透明的机舱内，我们觉得温暖而舒适，然而外面却是一个截然不同的世界。

9. It is clear to everyone that the police need more protection against the gun and the knife.
    人人都清楚警察需要更多的保护，以防刀枪。