知己知彼 zhī jǐ zhī bǐ

DEFINITIONS

  1. know yourself, know your enemy (idiom, from Sunzi's "The Art of War" 孫子兵法|孙子兵法[Sun1 zi3 Bing1 fa3])

CHARACTERS

知 zhī
HSK 2
know, perceive, comprehend
己 jǐ
HSK 3
self, oneself; personal, private; 6th heavenly stem
知 zhī
HSK 2
know, perceive, comprehend
彼 bǐ
HSK 5
that, there, those