一、can you 比较直接的询问,例如:
Can you confirm this?
这个你能确定吗?
Can you come at 10.30? I know it's inconvenient for you, but I must see you
你能10点半来吗?我知道你不方便,但是我必须见你。
I mean, how crazy can you get?
我是说,你真是太疯狂了。
Can you spare one of them for me?
你能把其中的一个匀给我吗?
What about my copier? Can you get it going again?
我的复印机怎么样了?你能把它修好吗?
二、could you please,语气比较客气。例如:
Sir, could you please come to the commanding officer's office?
长官,请您到指挥官的办公室来一下好吗?
Could you please fill in this booking form.
请您填一下这张预定单。
Could you please tell us the truth? That is very important to us.
请问能告诉我们实情吗?这对我们太重要了。
Could I have your name once again, and could you please tell me how I can reach you?
请你再告诉我你的名字和怎样跟你联络?
Could you please return these books for me?
可不可以请你帮我还这些书?