I happened to know about him.
我正巧了解一些有关他的情况。
We know about magnetism by the way magnets act.
我们通过磁铁的作用知道磁性是怎么一回事。
As for your hope of winning the first prize,I don't know about that.
至于说到你在希望获头奖,对此我没有多大把握。
know sth about sb/sthDo you know anything about astronomy?
你懂天文学吗?
He knows some damaging facts about the firm's dealings.
他知道该公司在经营中的一些丑事。
David certainly knows a thing or two about car engines.
戴维肯定对汽车发动机非常在行。
I'll let you know all about it later on.
以后,我全让你知道此事。
The two brothers are so much alike that even their own mother hardly knows them apart.
这兄弟俩长得如此相像,甚至他们的母亲也很难识别。
Every actor ought to know his lines backwards before he goes on stage, as nervousness may make him forgetful.
所有演员在上台前都应当把台词记得滚瓜烂熟,因为一紧张就容易忘词。
You can't fool me; I know the whole story backwards.
你骗不了我,这件事我了解得清清楚楚。
No, you really ought to stay in bed, remember,Mother knows best!
不,你真应当卧床静养。记住,母亲说得最有道理!
know sb bestDoctors should ask nurses their opinion, after all, they know the patients best.
医生应当征求护士们的意见,毕竟护士最清楚病人的情况。
You ought to have known better!
你怎么这么糊涂呢!
He ran away from school.He ought to have known better.
他从学校逃跑,他本来就应该知道那是不对的。
know better than to-vShe is old enough to know better than to spend all her money on clothes.
她长大了,应该懂得不该把所有的钱都花在衣服上。
I thought you knew better than to go to such places as that.
我原以为你不至于糊涂到会上那些地方去。
You ought to know better than to go swimming on such a cold day.
你应该知道，这样冷的天是不该去游泳的。
You ought to know better than to damage the state property.
你应该知道损坏国家财产是不对的。
He ought to know better than to come into the house without knocking at the door.
他该懂得不敲门是不能进屋的。
She certainly knows better than to tackle such problems by herself.
她那么明智的人当然不至于自个儿去解决这类问题。
They knew better than to come to my front door.
他们挺聪明的,没有跑到前门去。
You will know the house by its tall chimneys.
看到那些大烟囱你就会认出那所房子。
I have never met our new neighbors; I simply know them by sight.
我从未接触过我们的新邻居,只见过面。
I know that poem by heart.
我可以背诵那首诗。
Shall I let you know by letter or by word of mouth?
我写信告诉你还是口头通知你?
Let me know it immediately by telephone.
马上打电话通知我。
You must keep repeating the lines until they are known by heart.
你必须反复朗读这几行,一直到能背诵为止。
I know fine that he's not to be trusted.
我很清楚他是不可信的。
We know fine that's a good idea.
我们很清楚那是个好主意。
It is known for its handicraft products.
这地方因出产手工艺品而闻名。
The place is nationally known for its melons and fruit, especially its seedless grapes.
这里的瓜果,尤其是无核葡萄驰名全国。
know sb for sbI know you for a thief and a liar!
我算认识你了,一个又偷又骗的家伙!
You'd better first know a friend from an enemy.
你得首先分清敌友。
They're twins and it's almost impossible to know one from the other.
他们是孪生子,旁人几乎无法辨别。
He doesn't know a knife from a fork.
他连刀叉也分不清。
Don't listen to him, he doesn't know a hawk from a handsaw.
别听他的,他什么也分不清。
We must learn to know good from evil.
我们要学习区分善恶。
It's important for one to be able to know right from wrong.
对一个人来说,能分辨是非非常重要。
I don't know the writer, but I know of him.
我不认识这个作家,但我是晓得他的。
Do you know of any oil-filling station around here?
你知道这一带有加油站吗?
What do you know of this theatre company?
这个剧团的情况你知道些什么?
“Has he gone to Shanghai?”“ Not that I know of.”
“他到上海去了吗?”“据我所知他并没有去。”
He would wish that he had never known of it.
他但愿自己根本不晓得这件事。
I know of a shop where you can buy things like that.
我听说过有一家商店,在那里,你可以买到那些东西。
I know of his books, but I haven't read any of them.
我听说过他写的书,但一本也没有读过。
Such a kind of thing has never been known of before.
这种事情以前闻所未闻。
He thought he knew his wife through, until she deceived him.
在妻子骗他之前,他一直认为自己非常了解她。
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