我非常生气，狠狠地扇了回去， 重重的一巴掌，打得好！看见他脸上的表情没？

I am so angry, whapping he back, a hard power whap, good whap! See the expression on his face?

youdao

她的表情显得很傲慢，正如她不跟其他的被告说话一样，几乎从来也没跟她的律师说过话。

It appeared arrogant, as did the fact that she didn't talk to the other defendants and almost never with her lawyer either.

youdao

我本来想问他是不是没睡好，但我怕提问时，自己脸上的表情会泄露出我对他家庭生活的了解。

I wanted to ask if he was getting sleep, but I couldn't trust myself not to reveal-just by the look on my face as I asked-what I knew about his home life.

youdao

The driver's expression and his hand stayed exactly the way they were, as if he didn't hear very well.

就像是没怎么听见似的,那个司机的表情和手几乎一动不动，“

耶鲁公开课 - 1945年后的美国小说课程节选

If you're stuck, if you're struggling, if you're not certain about something, please ask. We're not mind readers, we can't tell when you're struggling, other than sort of seeing the expression on your face, we need your help in identifying that.

如果你很差，如果你很纠结，如果你不确定某件事情，请问我们，我们不会读心术，我们没法儿看出来你们很纠结，除非能从你们的面部表情看出来，我们需要你们在这件事儿上的配合。

麻省理工公开课 - 计算机科学及编程导论课程节选

Everyone's looking really like this was hard, but it can't be that hard.

看大家的表情好像是非常难的样子,其实没那么难

耶鲁公开课 - 博弈论课程节选