It is not within my power to help you.
我是愛(ài)莫能助啊。
You're a great help, I must say!
我得說(shuō)，你可沒(méi)少幫忙！
I'll see what I can do to help.
我考慮考慮，看我能幫上什么忙。
Can you last until I can get help?
你能支撐到有人來(lái)幫我嗎？
We'll give you all the help we can.
我們將盡力幫助你。