I think even if you're in a chair, and you're sitting up straight with good posture, maybe hands on knees.

哪怕只是坐在椅子上，坐直并保持良好姿势，也许双手放在两膝上。

普林斯顿公开课 - 人性课程节选

In, over my life? Oh my gosh! I hope a long time, but I think my knees are probably going to give up.

我的一生吗？天啊，我希望我能跑很久很久，但我想我的膝盖可能受不了。

在马拉松认识的朋友 - SpeakingMax英语口语达人

If you're an oil rich country today, as long as that oil lasts, you got the world kind of at your knees.

如果你今天是富油国,并且能保持稳定的产油量,那整个世界都会匍匐在你的跟前

耶鲁公开课 - 美国内战与重建课程节选

Oh, Son. Did you not ever go on your knees and pray for deliverance from all your sins and scoundrel's acts? Lost boy, depart.

噢，儿子！你怎么不跪下，为了对你的所有,罪恶和卑鄙行为的判决而祈祷，迷失的孩子，走吧。

耶鲁公开课 - 1945年后的美国小说课程节选

And,as Chateaubriand said,the writer, "I don't know what we must believe but we must believe in something," and he gets down on his knees and prays.

如作家夏多布里昂所言,"我不知道我们能相信什么,但我们必须相信点什么",然后他屈膝跪下开始祈祷

耶鲁公开课 - 1871年后的法国课程节选

Lloyds of London, which now does things like ensure quarterbacks' knees and things 685 00:36:00,852 --> 00:36:02,973 but it begins in the eighteenth century when people go into the docks.

伦敦的劳埃德市场,现在做一些,为四分卫的膝盖保险之类的事不过他们早在在十八世纪,航运业刚兴起时就开始做保险了

耶鲁公开课 - 欧洲文明课程节选

First I go over the physical posture you should have because when you're sitting like we usually sit on the round cushion or the floor, re free of contact with people usually both your knees and your butt are for the kneeling.

首先理顺应有的身体姿势,因为打坐时,像我们常会坐在圆坐垫,或地板上，你要确定自己身旁不要有人，you，make，sure，you‘,通常两膝和臀部都要注意,都要碰到地面。

普林斯顿公开课 - 人性课程节选

I'm so tired that my knees are shaking.

我实在是太累了，我的膝盖都在发颤了。

so that 实战 - SpeakingMax英语口语达人