A: Could you remember the person in the picture?
你记得照片上的那个人吗？

B: Yes, I remember him clearly.
是的，我很清楚地记得。

A: Could you recognize that person on Monday's pictures?
你认得星期一那些照片上的那个人吗？

B: Let me see, it's him.
让我看看，就是他。

A: Are you sure?
你肯定吗？

B: Absolutely.
当然。