英文:Can you help us?
你能帮助我们吗?
英文否定回答 可以用以下任何一个:
I'm sorry, but I can't help you.
很抱歉,我不能帮助你们。
Unfortunately, I am unable to assist you.
很遗憾,我无法提供帮助。
I regret to inform you that I am not able to offer any assistance.
我很抱歉,我不能提供任何帮助。
I'm afraid I can't be of any help to you.
恐怕我无法帮助你们。
No, I cannot help you.
不,我不能帮助你们。