A: Show me your passport, ticket and health certificate, please?

请出示您的护照，机票和健康证明。

B: I beg your pardon, please. I can't follow you.

麻烦您再说一遍好吗?我没有听清。

A: Do you have your customs declaration form?

你有海关申请表吗?

B: Sorry?

你说什么?

A: Your customs declaration form, please.

请出示你的海关申请表。