surprised用法和固定搭配

surprised可以視為形容詞 也可以當做過去式或過去分詞

當形容詞使用時，一般是修飾人be surprised to do sth/be surprised at sth

I am very surprised at this news.

He was so surprised to hear this surprising news.

也可當動詞過去式使用

What he said surprised me a lot yesterday.

surprised是形容詞，多以人做主語，意思是對…感到吃驚。

固定搭配一般使用是be surprised at，意思是對…感到吃驚。