What surprised me is that the little boy can speak four languages.
令我吃惊的是这个小男孩竟然会四门语言。
What surprised me is that you have eaten up all the food.
让我吃惊的是你竟然吃光了所以食物。
What surprised me is that you are always the number one in your class.
让我吃惊的是你总是你们班的第一名。