Sometimes it can be hard to tell, but if you know the person fairly well, you can usually see from their expression what they are really thinking.

有时候是比较难说。不过如果你很了解这个人。就可以从他的表现看出他是否认真。

youdao

Sometimes it can be hard to tell, but if you know the person fairly well, you can usually see from their expression what they are really thinking.

有时是很难区分，但如果你很了解这个人，你从他们的表情可以看出他们在想什么。

youdao

B: Sometimes it can be hard to tell, but if you know the person fairly well, you can usually see from their expression what they are really thinking.

B：有时是很难区分，但如果你很了解这个人，你从他们的表情可以看出他们在想什么。

youdao

B: Sometimes it can be hard to tell, but if you know the person fairly well, you can usually see from their expression what they are really thinking.

B：有时是很难区分，但如果你很了解这个人，你从他们的表情可以看出他们在想什么。

youdao