You could see from his face that he was lying.

从他的表情上你可以看出他在说假话。

《牛津词典》

I could tell that you were lying from the look on your face.

根据你脸上的表情我可以断定你没有说真话。

youdao

'I'm only lying to protect you from the ugly truth.'

我之所以会跟你撒谎就是怕你被事实所伤。

youdao

I can tell from your face you are lying (to me).

我可以从你的表情看得出你在(对我)撒谎。

youdao

I can tell from your face you are lying (to me).

我可以从你的表情看得出你在(对我)撒谎。

youdao