1. If you're not satisfied with the life you're living, don't just complain. Do something about it.
2. Faculty members complain that their students are unprepared to do college-level work.
学院的老师们抱怨说他们的学生还很不适应大学的课业。
3. He came to complain about the volume of the music.
4. People usually complain about having to deal with too much bureaucracy.
5. If you are not happy about a repair, go back and complain.
6. People complain about how children spend so much time on computer games.