知己 zhī jǐ 🔊 to know oneself HSK 7–9 + Review this word Meanings zhī jǐ to know oneselfto be intimate or closeintimate friend Its characters 知zhīto know己jǐself In sentences Pinyin 知己zhī jǐ难nán求qiú。A real friend is like a rare bird. #2298432 Words with 知己 知己知彼 zhī jǐ zhī bǐ know yourself, know your enemy (idiom… 知彼知己 zhī bǐ zhī jǐ to know the enemy and know oneself… 视为知己 shì wéi zhī jǐ to consider sb as close friend (idiom) 红颜知己 hóng yán zhī jǐ close female friend 蓝颜知己 lán yán zhī jǐ close male friend