“抱怨声”的英语可以翻译为：caterwauling ...

学生们发出一片抱怨声.Students made a rash of complaints.办公室到处是对洗衣机的抱怨声.The office was inundated with complaints about the washing machines.即便抱怨声不断, 彭博仍旧一往无前.Yet the mayor , when faced with complaints, has usually forged ahead....