v. 抱怨；控诉；发牢骚（complain 的第三人称单数形式）
1.It's even a good thing if he complains about doing them.
他如果抱怨不想去做倒是件好事。
2.Or complains that her family's pet rabbits aren't smart enough?
或者抱怨，她家的宠物兔子不够聪明？
3.They go well beyond basic complains.
他们超越了基本的抱怨。
4.A rice farmer complains of itchy legs from the paddies.
一位稻农抱怨说，从田里出来，腿都发痒。
5.Mother always complains that children wear out their shoes very quickly.
妈妈总是抱怨孩子们很快就把鞋子穿坏了。
6.She complains of constant pains in her hips and joints and of problems from the dust that settles on the village.
她说她的臀部和关节总是疼痛不已，同时伴有其他种种不适，这都是落在村庄中的灰尘所致。
7.She always complains and scolds.
她总是抱怨和骂街。
8.Who takes care of complains in our company?
谁来负责我们公司的投诉？
9.Although he is always busy delivering mails, Henry never complains.
虽然亨利总是忙于送信，但他从不抱怨。