A: May I ask you a favor?

你能帮我个忙吗?

B: Sure, what is it?

当然，什么事?

A: Could you open the door for me? I can't open it.

你能帮我开下门吗?我开不了。

B: OK. Let me try.

好的，让我试试看。

A: Can you help me?

你能帮我个忙吗?

B: Sure, what's up?

当然，什么事?

A: Would you please take those trays away?

你能把那些盘子拿走吗?