I thought you knew

以为───think;知道───know

We'll have to think of a way to solve the problem.───我们得想个法子解决这个问题.

I must think over this, I have known for years that it was in the cards.───我得仔细考虑考虑,许多年来, 我就知道这是可能的.

Just think . Will it do you any good if you go on like this?───试想你这样干下去会有好结果 吗 ?

Let's think positive.───咱们往好的方面想吧。

I think it wouldn't be wise to mention it to her just yet.───我认为目前暂时不向她提起这件事是明智的.

It's ridiculous to think of it.───想来好笑.

I think we can fit in an additional room.───我想我们可以再加建一间房子.

I don't think he's really learning carpentry; he's only playing at it.───我看他并不真正在学木工, 他只是在玩玩罢了.