please表达接受帮助:
Would you like a cup of coffee?Yes, please.
要不要來一杯咖啡。好啊!
May I help you?Yes, please. I'd like to...
需要帮忙吗?好啊,我想要……
please表达请求:
Could you give me a hand, please?
可以帮我忙吗?
May I use your pen, please?
我可以用你的笔吗?
And we can also use "could"、"would":
Could you possibly send me the file?
Would you mind sending me the file?
Would you be able to send me the file?
可以寄档案給我吗?
Could I have it within ten minutes please?
我可以10分钟内收到档案吗?