in surprise

in surprise 惊奇地

【例句】

◆ He looked at me in surprise with his mouth open．他张大嘴巴惊奇地望着我。

【联想】 

to one's surprise使某人惊奇的是：

To my surprise, he has finished the work only in a few days。使我惊奇的是，他仅仅在几天内就完成了这项工作。