‘It’ s far too hot,’ she complained. “太热了，”她抱怨道。

+about What are you complaining about? 你在发什么牢骚呢？

+(that) She complained that she never had any time to herself. 她抱怨说她从来没有属于自己的时间。

+to He threatened to complain to the boss. 他威胁说要去向老板投诉。

Refugees had complained of being robbed and beaten by officials. 难民控诉说他们遭到官员的抢劫和殴打。

She’ d been complaining of headaches. 她一直在抱怨说自己头疼。