�、�. be surprised 為“動詞+形容詞”結構，在句中作謂語，意為：“感到吃驚”. be surprised at 表“對……感到吃驚”

　　Ⅱ. in surprise為“介詞+名詞”結構。在句中作狀語。意為：“吃驚地”。如：

　　① She was surprised. 她感到吃驚。

　　② Everybody was surprised at you. 大家都對你感到吃驚。

　　③ John turned round and looked at him in surprise. 約翰轉過身去，吃驚地看著他。