从他的表情我看得出他生气了。

I could tell (that) he was angry from his expression.

《牛津词典》

我看得出她是郑重其事地说的。

I could tell she spoke in earnest.

《牛津词典》

我看得出你理发了。

I see you've had a haircut.

《牛津词典》

As you can see I don't understand it.

你看得出来我对此一窍不通

耶鲁公开课 - 古希腊历史简介课程节选

I see that, but I also see the drugs bringing them down, you know, it's horrible.

我看得出来，但我也看到毒品让他们没落，你知道，这很糟糕。

现在的孩子好可怕 - SpeakingMax英语口语达人

I can tell."

我看得出来的“

耶鲁公开课 - 心理学导论课程节选