彼を知り己を知れば、百戦殆からず

かれをしりおのれをしれば、ひゃくせんあやうからずkareoshirionoreoshireba、hyakusenayaukarazu

expression

  1. if you know your enemy and know yourself, in a hundred battles you will never be defeated
  2. know your enemy

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences