A: Achoo!
B: Bless you!
A: Thanks. I'm allergic to cats. I think it's their hair.
B: Oh, I didn't know that. Then, I'll take our cat to the bedroom.

A: 哈啾！
B: 保重！
A: 谢谢你。我对猫过敏。我想是猫的毛。
B: 喔，我不知道这一点。那么，我把猫带到卧室去。

重点解说：

★ be allergic to ~「对~过敏」