What's the reason? 理由是什么呢？

Why do you think that? 你為什么那么想？

11. 能借用一下你的鋼筆嗎？

May I borrow your pen?

May I use your pen?

Is it okay if I use your pen?

Do you have a pen?

Do you have a pen that I can borrow?

12. 你能給我打個電話嗎？

Would you give me a call?

Could you call me?

Can you ring me up?

I'd appreciate it if you could call me tonight.

13. 請關小點兒聲。

Please turn it down.

Would you please turn it down?

Not so loud, please.

Please lower the volume.

It's too loud. Turn it down.

14. 等我回來。

Wait here until I get back.

Please wait here for me.

15. 我想打聽點兒事。

May I ask you something?

May I ask (you) a question?

I'd like to ask you something.

I have a question.

Could you tell me something?

Do you have time to answer a question?

Could you answer a question?

I hate to bother you, but can I ask you a question? 真不好意思，打擾您了，我可以問個問題嗎？

16. 對不起，打斷一下可以嗎？

Sorry for interrupting...

I'm sorry to interrupt you.

May I interrupt you?

Excuse me for interrupting.

Forgive me for interrupting.