complaint
/kəmˈpleɪnt/noun
1
- a statement that a situation is unsatisfactory or unacceptable or that someone has done something wrong怨言, 牢骚; 抗议; 控告, 控诉：
I intend to make an official complaint
我打算正式提出抗议
there were complaints that the building was an eyesore.
有人抱怨那幢建筑物碍眼。
1.1
- a reason for dissatisfaction不满的理由：
I have no complaints about the hotel.
我对这家旅馆没什么不满意的。
1.2
- mass noun the expression of dissatisfaction抱怨, 发牢骚, 诉苦：
a letter of complaint
投诉信
he hasn't any cause for complaint.
他没有任何诉苦的理由。
1.3
- Law the plaintiff's reasons for proceeding in a civil action【律】（民事诉讼中）诉状; 控诉状。
2
- often with modifier an illness or medical condition, especially one considered as relatively minor疾病（或健康不佳）（尤指相对较轻者）：
she is receiving treatment for her skin complaint.
她正在接受皮肤病治疗。
词源
late Middle English: from Old French complainte, feminine past participle of complaindre 'to lament' （see COMPLAIN）.