（1）be surprise at sb 不对!应该是：be surprised at sb.意思是：“对.(谁)吃惊”；
（2）He was very surprised at the man.那个男令他很吃惊.
注意：surprise、surprised、surprising的用法：
（1）surprise 既可以做名词,又可以作动词.
to one's surprise 使某人吃惊的,这里的surprise是名词.例如：To my surprise,he was a thief.
（2）v.使… 吃惊；例如：His words surprised me a lot.他的话使我大吃一惊.
（3）surprised 与 surprising 都是adj.
当做表语时,记好“ 人作主语时,用v+ed ,物作主语时,用 v+ing；
例如：He is very surprised to see Jay on the street.
再如：The news is very surprising.