raise one's eyebrows amongst sth/sb 大概什么意思?

惊讶于所见,可以是正面的，也可以是负面的
It means that someone is surprised to see what was done by somebody.

挑眉，

眼皮擡太高，（看不起人）

To show surprise, interest or disbelief.
对某人、某事表现出惊讶，兴趣，或怀疑。