| It's important to know one's enemy. | | [CN] 知己知彼，才能百战百胜 Chocolat (2000) |
| To be insightful | | [CN] 知己知彼嘛 Love Actually... Sucks! (2011) |
| It's only gonna upset you. I believe in knowing my enemy, Leonard. | | [CN] 我得知己知彼啊 Leonard The 21-Second Excitation (2010) |
| Applying what they had learned about their enemy the machines turned to an alternate and readily available power supply: | | [CN] 知己知彼的机器人 转向唾手可得的终极能量泉源 The Animatrix (2003) |
| Like Coulson's been saying, know your enemies. | | [CN] 去查吧 就像寇森说的 知己知彼 The Things We Bury (2014) |
| Friends close, enemies closer. | | [CN] 知己知彼 百战不殆 Dead (2013) |
| - Worked for the Red Baron. | | [CN] -知己知彼 Jack Reacher (2012) |
| "Knowledge precedes victory... | | [CN] 知己知彼... Neverending Battle (1993) |
| "All battles will be won if we know everything about us and them." | | [CN] 知己知彼， 百战百胜啊 A Touch of Zen (1971) |
| - Defense wins championships. | | [CN] - 知己知彼而已 The Double (2013) |
| (Professor Radisson) Oh, it's "Know thyself," darling, know thyself. | | [CN] （丽笙教授） 哦，这是"知己知彼，"亲爱的，认识你自己。 God's Not Dead (2014) |
| Sun tzu said, that if you know your enemy, you need not fear a hundred battles. | | [CN] 孙子有云 知己知彼 百战不殆 我了解这些逃犯 Unearthed (2006) |
| Know your enemy. | | [CN] 知己知彼？ The Believer (2001) |
| If you know your enemy and yourself, you can win every battle. | | [CN] 知己知彼 方能百战百胜 Detective K: Secret of Virtuous Widow (2011) |
| To engage the enemy, you must know him inside out. | | [CN] 想要战胜敌人，必须知己知彼 The General's Daughter (1999) |
| Enemies closer, Gibbs? | | [CN] 為了知己知彼嗎 Gibbs? Whiskey Tango Foxtrot (2013) |
| Fight the enemy with his tactics. | | [CN] 知己知彼 百战不殆 Attila Marcel (2013) |
| It's wise to study the ways of one's adversary. Don't you think? | | [CN] 知己知彼 百战百胜 It's wise to study the ways of one's adversary. The Hunt for Red October (1990) |
| You have to think as he and his brother is thinking! | | [CN] 你需要知己知彼 知道他的敌人在想什么 Arn: The Knight Templar (2007) |
| It's totally gonna help us win the Worlds if we know what we're up against. | | [CN] 知己知彼 It's totally gonna help us win the Worlds 才能拿下世锦赛 if we know what we're up against. Pitch Perfect 2 (2015) |
| We need to anticipate her moves. | | [CN] 知己知彼. 百战百胜 Poker King (2009) |
| "If you know your enemy as yourself you'll fight without danger in many battles." | | [CN] "知己知彼 方能百戰不殆" Negro Y Azul (2009) |
| What I can't figure out is how someone expects you to bite without expecting you to know everything about his business. | | [CN] 如果不能知己知彼 又怎能百战百胜呢？ Ransom (1996) |
| "To know each other and know the heart" "That's what they call 'soulmates"' | | [CN] 知人知面 知己知彼 又知心 古人说 这就是所谓知音 Love in Disguise (2010) |
| Know thine enemy, know thyself, and ne'er a battle lost. | | [CN] 这叫知己知彼 百战不败 Crazy Stone (2006) |
| Now you'll know what your plan is and what his plan is. Wait. | | [CN] 玩點無間道 你才能知己知彼 Push (2010) |
| He'd get inside your head, throw you off your game. | | [CN] 他總能知己知彼 搶佔先機 MacPherson (2009) |
| Know your enemy and all. | | [CN] 知己知彼 Más (2010) |
| Know yourself as well as you know your fuckin' enemy... and only then will you-can you win a thousand times in a row. | | [CN] 知己知彼 方能百战百胜 Starlet (2012) |
| Even the scientific community's gonna poke and prod at him until he hates every man that he sees, including you and me. | | [CN] 即便是科學界 也要去知己知彼 直到牠討厭每個人的 牠認為，包括你和我。 Harry and the Hendersons (1987) |
| Once you discover what's in there you'll see what's really in your heart. | | [CN] 知己知彼 A Better Tomorrow (2010) |
| and the other reason for learning the rest of it, is... Know your enemy. | | [CN] 剩下的那些也要学 为了知己知彼 Four Horsemen (2012) |
| Everybody who can hurt me or help me. It pays. | | [CN] 知己知彼 百战百胜嘛 挺划算的 The Hustler (1961) |
| It is an important quality for a sword bearer to acknowledge their own strength as well as others. | | [CN] 知己知彼 亦是剑客的重要素质之一 Rurouni Kenshin Part I: Origins (2012) |
| You have to know your enemy, Alfred. | | [CN] 知己知彼 百战不殆 埃弗雷 You have to know your enemy, AIfred. Batman: Gotham Knight (2008) |