Communication: asking and giving help

谢谢你的帮忙。

Thanks for your help.

谢谢，我会自己做(的)

Thanks, but I'll do it myself.

可不可以帮我(一)个忙?

Can you help me?

我帮你好不好？

How about I help you?

我需要帮忙

I need help.

你能不能帮我一个忙？

Can you help me with something?

请给我打电话。

Please call me.

麻烦你帮我一下

Please help me.

我给你看一下。

Please look at this for me.

我给他写一封信。

Please write him a letter for me.

对不起，我不知道怎么做

Sorry, I don't know how.

对不起，我现在很忙。

Sorry, I'm busy right now