1.
"He who has a thorough knowledge of the enemy and himself is bound to win in all battles.
知彼知己者，百战不殆；
2.
Know the enemy and know yourself, and you can fight a hundred battles with no danger of defeat.
知彼知己, 百战不殆。
3.
Hence the saying: If you know the enemy and know yourself, your victory will not stand in doubt;
故曰：知彼知己，胜乃不殆；
4.
Know the enemy and know yourself, and you can fight a hundred Battles without defeat.
知己知彼，百战不殆。
5.
Better the devil you know than the devil you don't
知己知彼,百战百胜
6.
Hence the saying: If you know the enemy and know yourself, you need not fear the result of a hundred battles.
故曰：知己知彼，百战不贻；
7.
If you know neither the enemy nor yourself, you will succumb in every battle.
不知彼不知己，每战必败。
8.
He who knows not the enemy and himself is bound to perish in all battles."
不知彼，不知己，每战必殆。
9.
If you know yourself But not the enemy,for every victory gained you will also suffer a defeat.
不知彼而知己,一胜一负﹔
10.
He who knows himself but not the enemy has only an even chance of winning.
不知彼而知己，一胜一负；
11.
Hence the saying: If you know the enemy and know yourself, your victory will not stand in doubt; if you know Heaven and know Earth, you may make your victory complete.
故曰:知己知彼,胜乃不殆﹔知天知地,胜乃可全。
12.
Even Mao Tse-tung was known to say, " Know your enemy, know yourself; hundred battles, hundred won".
连毛泽东都说过要“知己知彼，百战百胜”。
13.
Even Mao Tse-tung was known to say, "Know your enemy, know yourself; a hundred battles, a hundred won".
连毛泽东都说过要"知己知彼，百战百胜"。
14.
The focus was entirely on understanding the enemy and oneself.
可见焦聚全集中在知己知彼上面。
15.
Only you understand what he means.So you're good friends after all, with mutual understanding!
只有你懂他的意思了，毕竟是好朋友，知己知彼。
16.
He's my alter ego we go everywhere together.
他是我的知己--彼此形影不离.
17.
The latter he was intimate with, and affectionately embraced.
他跟警察是知己，两人彼此热情地拥抱。
18.
He's picking on Peter, and you know Peter's the last man in the world to cause trouble.
他老是跟彼得过不去。彼得是个最安分守己的人，这你知道．