抱怨complain，名词形式是complaint不满的原因;抱怨;埋怨;
复数 complaints
You have no grounds for complaint.
你没有理由抱怨。
I\'d like to make a complaint about the noise.
我要就噪音问题提出投诉。
The most common complaint is about poor service.
最常见的投诉与服务差有关。
Could you put your complaint in writing?
你能把投诉的内容写下来吗？
