反面: reverse side; wrong side; ba ...的: 4次方是 The fourth power of 2 i ...教训: lesson; moral反面的: negative; reversed爱的教训: a lesson in love; lesson learned惨痛的教训: a bitter lesson沉痛的教训: bitter experience垂死的教训: a lesson before dying汲取的教训: lessons learned历史的教训: the lessons of history取得的教训: lessons learned沙士的教训: the lessons learned from the sars outbreak生活的教训: 8．a lesson for living十月的教训: lessons of october血的教训: lesson paid for [written in] blood严酷的教训: a bitter lesson阿罗斯的教训: a lesson from aloes和取得的教训: lessons learned最宝贵的教训: the dearest lesson反面的论证: argumentum e contrario全面的教育: all-round education迟来的教训（亡羊补牢）: a lesson learned too late记取失误的教训: learn a lesson from a mistake; learn lessons from mistakes牢记过去的教训: remember well the lessons of the past没有吸取的教训: a lesson not learned
