complain可用作及特与不及物动词、名词或动名词、可用于进行时态。相关词组有complain bitterly痛苦地诉说、complain constantly经常地抱怨、complain about(at, of)抱怨，诉苦等。

1、complain用法

vi. 1. 抱怨,发牢骚;诉说(病痛bai等)[(+to/about/of)]

I've really got nothing to complain of.

我确实没有什么可抱怨的。

He complained to me about the food.

他向我抱怨伙食不佳。

2. 控诉,投诉[(+to/about/of)]

He complained to the police of the boys stealing his apples.

他向警方控告那些男孩偷他的苹果。

vt. 1. 抱怨;控诉[Y][+that]

He complained that the exam was too hard.

他抱怨考试太难了。

词组：

complain about

对……不满

complain about sth

抱怨某事

complain to sb

想某人抱怨

complain that+从句

抱怨某事

complain to sb (about sth)

向某人抱怨某事

complain of sth

诉说病痛

complains box

是意见箱的意思

complain of

抱怨;抗议

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