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To register a complaint means to go to the police
and complain of something/someone, right?
Because it's not clear where the man comes out of.
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Hi,
To register a complaint means to go to the police

and complain of something/someone, right? It means ' to make a complaint in a formal way', usually with someone in some form of authority, but not necessarily the police.

Because it's not clear where the man comes out of. Are you asking what this means?

Clive
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It doesn't necessarily have to be the police, you can register a complaint with anybody in a position of authority. If you got bad service at a restaurant for example, you might register a complaint with the manager or owner, or the Better Business Burea (an organization for promoting better businesses).

If there's a problem with your rental unit, you could register a complaint with the landlord, etc.

But the idea of making a formal, written statement about an issue or complaint you have is correct, versus simply making verbal disagreements or stating your opinion. The key concept is documentation of the complaint.
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Thanks, guys. I got the meaning.
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