In case you should need any help, here's my number.
万一你需要帮助的话,这是我的电话号码。
Give me one good reason why I should help you.
我为什么要帮你?给我一个充分的理由。
You've been a great help, I must say.
依我看,你真是帮了个大忙啊。
It's a good job you were there to help.
幸亏你来帮忙。
It is not within my power to help you.
我是爱莫能助啊。
You're a great help, I must say!
我得说,你可没少帮忙!
I'll see what I can do to help.
我考虑考虑,看我能帮上什么忙。
《牛津高阶英汉双解词典》
9
Can you last until I can get help?
你能支撑到有人来帮我吗?