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

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

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

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

BBC: India to respond 'aggressively to Kashmir attacks'

"People protest about paying taxes, but they are less nonchalant about it, " he says.

BBC: Has Mario Monti done a good job?