Guests can protest about the bad service of the restaurant to the owner.

顾客可以向老板投诉饭店内的低劣服务。

youdao

In the Guardian office (I'm told - I'm a stay-at-home journalist), there are howls of protest about the use of "mum".

在卫报办公室(有人说我是居家记者)，反对使用“妈妈”的呼声特别大。

youdao

He should always respect the work of officials and accept their decisions. Any protest about a decision should be made by the team manager, not by the coach.

他应当始终尊重裁判人员的工作并接受他们的裁决，对任何裁决的抗议应当由领队去交涉，而不是由教练员本人。

youdao

Then Webster said the North also had a right to protest about some things the South had done.

VOA: special.2009.04.02

Webster said the North also had a right to protest statements by southern leaders about working conditions in the North.

VOA: special.2009.04.02

For example, if you say bad things about a person, the person might protest and say "Do not bad mouth me."

VOA: special.2010.06.20

Both countries have also summoned each other's envoys to protest about the killings of the soldiers.

BBC: Kashmir border: Pakistan says India killed soldier

IR I am writing to protest about the out-of-date nature of your October 23rd cover.

ECONOMIST: Letters

Both countries have summoned each other's envoys to protest about the killings of the soldiers.

BBC: India to respond 'aggressively to Kashmir attacks'