People differ to the extent it will hurt them to watch me slam my thumb with a hammer.

不同的人看到我用锤子打拇指,会感受到不同程度的痛苦。

耶鲁公开课 - 心理学导论课程节选

Hoover Shoates got his head out of the way but not his thumb.

胡福-硕茨只来得及把他的头缩回去，却没来得及把拇指抽回。

耶鲁公开课 - 1945年后的美国小说课程节选

In comes the prehensile thumb, and the next thing you know you get a colossal earthquake, and the possessor of the prehensile thumb disappears from the earth -which is to say, very possibly the human species will never develop.

就像对人类进化至关重要的大拇指，经历了一场大地震后，如果所有有这种拇指的人都消失了,那么人类就很可能永远不能进化。

耶鲁公开课 - 文学理论导论课程节选

If you see somebody bang their thumb with a hammer, you might cringe.

如果你看到有人拿锤子打他的拇指，你可能会畏缩。

耶鲁公开课 - 心理学导论课程节选

There are nine keys for my left thumb alone so I'm kind of switching between these on the back here and many others, and because of that I can go very high and I'll just demonstrate that.

我的左手拇指就要控制九个音键,通过按动后部,和其他地方的音键,我就能吹出很高的音,我现在就来演示

耶鲁公开课 - 聆听音乐课程节选