如果我让你拧掉这个家具的螺丝，你用手指去拧，那指甲就都毁了，要是用你的牙齿，它们也保不住。

If I ask you to unscrew the screw of the furniture, if you try it with your hands, all your nails will go. I'd allow you to use your teeth, they will also go.

youdao

如果大腿骨旋转不够充分，你会把巨大的拧压施加到到半月板上——胫骨和大腿骨就好像一把巨大的钳子。

If the thighbone doesn't rotate enough, you'll apply huge pinching pressure to the meniscus—as if your shinbone and thighbone were a giant pair of pliers.

youdao

我们总认为自然妆容就是什么都是没色彩，但是如果你留意一下‘自然’，就会明白事实并非如此……你可以回忆一下小时候脸被奶奶拧红之后的样子，那就是一种‘自然妆容’，但还是有色彩的。

Think of when grandma used to pinch your cheeks. That's 'natural looking, ' but you have color.

youdao

Please lower your brows and draw them together.

请放低你的眉毛，将他们拧在一起。

耶鲁公开课 - 心理学导论课程节选