C-1：carry a torch for somebody 单相思

A:John hasn't got married up to now.

A:约翰到现在还没结婚呢。

B:Don't you know that he has been carrying a torch for Mary for years?

B：难道你不知道他这么多年来一直单恋着玛丽吗?

A:Really? Does Mary know that?

A:真的?玛丽知道吗?

B:Of course not.

B:当然不知道。

A:How silly John is!

A:约翰太傻了!