道怨风险 moral hazard

抱怨和道歉 Complaining and apologizing ; plaining and apologizing

怨声载道 Grumbling ; discontent is openly voiced

抱怨与道歉 Complaints and Apologies

如何抱怨与道歉 How to Complain and Apologize

道歉与抱怨 apologies and complaints

怨天载道 discontent is openly voiced