be surprised at和be surprised to的区别：
1、be surprised at 后面接"sb/sth某人或者某物"，be surprised at 对……感到很惊奇。
2、be surprised to 惊奇地做某事，be surprised to 后面接“do sth做某事”。
相关介绍
1、You may not be surprised to know I am fairly ignorant about Sartre.
说起来你可能会吃惊，我对萨特相当无知。
2、You will probably not be surprised to learn that reinforcement theory has received its share of criticism.
你大概会不会感到惊讶地得知，强化理论已收到其份额的批评。
1、He will be surprised at my calling.
他对我打电话会很吃惊的。
2、Respectfully smile at everyone you see, you'll be surprised at how that will confuse those you meet.
对你所遇的人恭敬的微笑，你会吃惊地这将使怎样地迷惑不解。
