Do a double take

Definition: look twice at someone or something because you are surprised

定义：因惊讶而再看一眼

She did a double take when he walked into the room.

他走进房间时，她惊讶地又看了他一眼。

Did you see that man do a double take as he looked at the price?

你有没有看到，那个男人又惊讶地看了一眼价格？