I'm impressed.

我很吃惊。

麻省理工公开课 - 固态化学导论课程节选

I'm generally pretty impressed by what the, what my classmates have gotten up to before they came to school here.

我的同学在入学之前已经完成的事情让我印象深刻。

优秀的MBA人们 - SpeakingMax英语口语达人

We have very qualified-- I'm very impressed with our teaching assistants.

我们有非常称职的助教,我对我们的助教非常满意

耶鲁公开课 - 金融市场课程节选