knew：v.知道；知悉；了解；认识到；懂得；意识到；确信；确知；肯定；
know的过去式。
例：
As far as we knew, there was no cause for concern.
就我们所知，没有什么要担心的。
He was much loved by all who knew him.
认识他的人都很喜欢他。
They knew nothing about her save her name.
除名字外，他们对她一无所知。
She knew the limits of her power.
她知道自己的权限。
I had no need to open the letter ─ I knew what it would say.
我没必要拆开那封信——我知道里面会说些什么。
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