知彼知己，百戰不殆 zhī bǐ zhī jǐ ， bǎi zhàn bù dài

DEFINITIONS

  1. knowing the enemy and yourself will get you unscathed through a hundred battles (idiom, from Sunzi's "The Art of War")

CHARACTERS

知 zhī
HSK 2
know, perceive, comprehend
彼 bǐ
HSK 5
that, there, those
知 zhī
HSK 2
know, perceive, comprehend
己 jǐ
HSK 3
self, oneself; personal, private; 6th heavenly stem
百 bǎi
HSK 2
one hundred; numerous, many
戰 zhàn war, fighting, battle
不 bù
HSK 1
no, not; un-; negative prefix
殆 dài dangerous, perilous; endanger