知己知彼，百战不殆

87 封面图
中文拼音
zhi1 ji3 zhi1 bi3 , bai3 zhan4 bu4 dai4
中文繁体
知己知彼，百戰不殆
英文翻译
Know yourself and know your enemy, and you will never be defeated (idiom, from Sunzi's Art of War 孫子兵法|孙子兵法[Sun1 zi3 Bing1 fa3]).
知己知彼zhi1 ji3 zhi1 bi3 知府zhi1 fu3