zhī​jǐ​zhī​bǐ

to know oneself and know the enemy

知己知彼 zhī​jǐ​zhī​bǐ
to know oneself and know the enemy
(idiom) To be familiar with one's own strengths and weaknesses as well as those of the opponent; originally from 孙子兵法 sūn​zǐ​bīng​fǎ

Frequency

Movie subtitles
0.540 per million appears in 0% of films
Written text
0.859 per million

Sources