His persistent attempts to complain to his superiors were blocked and ignored.His persistent attempts to complain to his superiors were blocked and ignored.
他一再试图向上级投诉，但都被挡了回来并置之不理。
The leaflet explains how to complain to the banking ombudsman.The leaflet explains how to complain to the banking ombudsman.
这份传单介绍了如何向银行意见调查官投诉。
发牢骚）to complain to sb about their behaviour, work, etc.rag 习惯用语n. in rags衣衫褴褛；穿得破旧wearing very old t发牢骚）to complain to sb about their behaviour, work, etc.rag 习惯用语n. in rags衣衫褴褛；穿得破旧wearing very old t
选择这块五彩缤纷的碎呢小毯是为了给这灰色的地毯添些生气。
to complain to someone or about something:to complain to someone or about something:
I went to the boss to remonstrate against the new rules.
to complain to someone again and again about their behaviour or to ask them to do something:to complain to someone again and again about their behaviour or to ask them to do something:
be/go on at someone about something My parents are always on at us about having a baby.
to complain to someone or about somethingto complain to someone or about something
抗议;反对;抱怨 I went to the boss to remonstrate against the new rules. 我去找了老板，对新的规定提出抗议。
You'll have to complain to Head Office if the washing machine stops working again.You'll have to complain to Head Office if the washing machine stops working again.
如果洗衣机又停止运转，你得向总店申诉。
Workers complain to the boss of their overwork.Workers complain to the boss of their overwork.
因为工作过度,工人向老板诉苦。
向…抱怨 complain to的用法和样例：例句If goods were not well made, you shall complain to the manufacturer.向…抱怨 complain to的用法和样例：例句If goods were not well made, you shall complain to the manufacturer.
如果货物品质不好，则理应向制造商提出控诉。
Never complain to your old lover.Never complain to your old lover.
永远不向从前的恋人诉苦。
