be surprised 后加什么介词

e surprised at /to be surprised at somebody/something/doing something对某人的行为/某事/干谋事感到惊讶I am surprised at you。我对你的行为跟到惊讶。I was surprised at your tone。我对你的腔调吃惊不小。I was surprised at seeing/to see him there。我真想不到在那里见到他。be surprised to do something对干某事感到很惊讶I'm surprised to hear you say that。我真想不到听到你说出这番话来。可以看出,be surprised to do something跟be surprised at doing something意思一样。