These words all mean to say that you are annoyed, unhappy or not satisfied about sb/sth. 以上各词均含对人或事物感到恼怒、不高兴或不满之义。

• complain to say that you are annoyed, unhappy or not satisfied about sb/sth 指抱怨、埋怨、投诉、发牢骚：◆I'm going to complain to the manager about this. 我要就这件事向经理投诉。
• protest to say or do sth to show that you disagree with or disapprove of sth, especially publicly; to give sth as a reason for protesting 指公开反对、抗议或申辩：◆Students took to the streets to protest against the decision. 学生走上街头抗议这项决定。
• object to say that you disagree with or disapprove of sth; to give sth as a reason for objecting 指不同意、不赞成、反对或抗辩：◆If nobody objects, we'll postpone the meeting till next week. 如果没有人反对，我们就把会议推迟到下周。◆He objected that the police had arrested him without sufficient evidence. 他抗辩说警察没有充分证据就逮捕了他。
• grumble (rather informal, disapproving) to complain about sb/sth in a bad-tempered way 指咕哝、嘟囔、发牢骚：◆They kept grumbling that they were cold. 他们不停地嘟囔着说冷。
• moan (BrE, rather informal, disapproving) to complain about sb/sth in an annoying way 指抱怨、埋怨：◆What are you moaning on about now? 你在抱怨什么呢？
• whine (rather informal, disapproving) to complain in an annoying, crying voice 指哭哭啼啼或哭嚷着诉说：◆Stop whining! 别哭哭啼啼的！◆'I want to go home,' whined Toby. “我要回家。” 托比哼哼唧唧地说。 NOTE Whine is often used to talk about the way that young children complain. * whine 通常用于小孩子抱怨。

Patterns

• to complain/protest/grumble/moan/whine about sth
• to complain/protest/grumble/moan at sth
• to complain/protest/object/grumble/moan/whine to sb
• to complain/protest/object/grumble/moan/whine that…