1.[C,U] 抱怨；抗议；怨言；抱怨的缘由( about/over/against)
2. 可数名词：【律】控告；控诉( against/with)
3. 可数名词： 疾病，身体不适
单词分析
- 这些名词均有“疾病”之意。
illness不具体指，而是泛指一切疾病，强调生病的时间或状语，语体较sickness正式一些。
sickness较口语化，可与illness换用，但还可表示“恶心”。
disease指具体的疾病，且通常较严重，发病时间也较长。
complaint现代英语中，既可指症状，也可指疾病。
- (formerly) a loud cry (or repeated cries) of pain or rage or sorrow
- an often persistent bodily disorder or disease; a cause for complaining
- (criminal law) a pleading describing some wrong or offense
- (civil law) the first pleading of the plaintiff setting out the facts on which the claim for relief is based
- an expression of grievance or resentment