"I purposely came today, as I knew you'd be in."

"我特意在今天来,因为我知道你在家。"

She was gesturing so excitedly that I knew something was wrong.

她如此激动地直打手势,我知道出问题了。

He bamboozled his professors into thinking that he knew the subject well.

他欺骗了他的教授，使教授认为他很了解这门学科。

But don't thought of that his lower classman still knew.

但是没有想到他学弟还是知道了。

He behaved badly with impunity as he knew the teacher was weak.

"他表现不好,却没有受到惩罚,因为他知道软弱欺。"

There was only one absentee because everybody knew the meeting was very important.

有个人缺席，因为大家都知道这个会议非常重要。

Thank you - I mean you know Netty Roseford?

谢谢你 - 你认识内蒂 罗斯佛吗?

His proficiency as a surgeon is well known.

他作为名外科医生的水平是有名的。

I hasten to add that I knew nothing of the fraud at the time.

我忙不迭地补充说，我当时对那个骗局无所知。

Your mother would throw a wobbly if she knew what we’d been doing.

你母亲要是知道我们干了些什么肯定会大发脾气。

She’d have my guts for garters if she knew I’d lent you her car.

要是她知道我把她的车借给你了，她准会抽了我的筋。

Before knowing Yamaha Electone, we didn't know what was electronic organ.

在认识山叶电子琴之前，我们不知道什麽是电子风琴。

All this proves conclusively that she couldn’t have known the truth.

这切无置疑地证明她不能知道真相。

None of the pupils knew the answer.

学生中谁都不知道答案。

We kept to the roads we knew.

我们不离开我们认识的路。

Thereupon, we knew, our endeavor was valuable.

于是，我们知道，我们的努力是有价值的！

We knew her competence in solving problems.

我们都知道她解决问题的能力。

The where and when are not known.

地点和时间都不知道。

Stereographic projection is known since the antiquity and was originally known as the planisphere projection.

立体绘图法原称为星座盘投影法。

"I always feel he has a grudge against me, although I don't know why."

"我总觉得他讨厌我,但是我不知道这是为了什么。"