/ˈwɔ:nɪŋ ||; ˈwɔrnɪŋ/noun [C,U] something that tells you to be careful or tells you about sth, usually sth bad, before it happens 警告，提醒，预告（通常指不好的事）: Your employers can't dismiss you without warning. 雇主不能不预先通知便把员工解雇。You could have given me some warning that your parents were coming to visit. 你本可以预先提醒我一声，说你的父母要来访。