be surprised at be surprised to do

be surprised at be surprised at和be surprised to的区别:1、be surprised at 对……感到很惊奇,be surprised at 后面接＂sb/sth某人或者某物＂2、be surprised to 惊奇地做某事,be . be surprised at是对…感到惊奇;使…感到意外;对……很吃惊的意思. be surprised at [bi: