知彼知己

• Traditional Chinese Character(HanT): 知彼知己
• Simplified Chinese Character(HanS): 知彼知己
• Bopomofo(Mandarin Phonetic Symbols): ㄓ ㄅㄧˇ ㄓ ㄐㄧˇ (ㄓㄅㄓㄐ)
• Bopomofo(Zhuyin Keyboard Input/IME): "5 1u35 ru3" (51u35ru3)
• (ASCII) Hanyu Pinyin: "zhibizhiji" "Zhi1Bi3Zhi1Ji3" "Zhi1 Bi3 Zhi1 Ji3" (ZBZJ)
• (Latin) Hànyǔ Pīnyīn: ZhīBǐZhīJǐ [ Zhī Bǐ Zhī Jǐ ]