知彼知己
书籍：汉英成语词典
更新时间：2018-12-03 22:15:08
出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第226页（318字）
充分了解敌我双方的情况，例要知彼知己才能百战百胜，你若连他的个性、喜好都不清楚，如何能说服他呢?
In order to be successful you must have a good estimate of your own strength as well as that of your enemy．If you are ignorant of your enemy’s character and his likes and dislikes，what hope is there of talking him over?