My husband always complains that he feels undervalued at work.

我丈夫总抱怨公司对他不够重视。

He never complains about his wife.

他对他妻子从不抱怨。

She never complains, but she's obviously exhausted.

她虽然从不抱怨，但显然已疲惫不堪。

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。

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。

He complains that the underlying approach is top-down and involves the government dictating the rules.

他抱怨说这个基本方法是自上而下的并且由政府决定规则。