According to the above meaning, complaining is not suitable to describe a person, but an idiom to describe the state of many people. We usually use it in spoken English, so it is not appropriate to write articles.
1. The drainage project here has never been done well, and it will be flooded every time it rains, and residents complain a lot.
It is inevitable that many policies will be complained when they are first implemented, but as long as they are right, the people will accept them in the end.
This kind of salary reduction without warning will definitely cause complaints from colleagues. (famous saying network)
The government's policy on this issue is vacillating, no wonder people complain.
Since the implementation of the new punch card system, everyone complained bitterly, so the general manager had to order the restoration of the old system.
6. At dusk in this street, vendors are all in the middle of the road, and it is inconvenient for people and cars to pass by, so that everyone complains.
7, the stock index has been falling, investors complain.