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- 知已知彼，百戰不殆。He who has a thorough knowledge of the enemy and himself is bound to win in all battles.
- 知彼知已，勝乃不殆；Know your enemy, know yourself, and your victory will not be threatened.
- 已知known
- 已知的known
- “知彼知已”等于是了解本身相對于敵人的強處和弱點(diǎn)（在商業(yè)環(huán)境中，敵人就是競爭對手）。"Know your enemy, know yourself" is tantamount to knowing one's strengths and weaknesses relative to those whom we are fighting against (e.g. the competitors, in the case of business).
- 知彼知己者，百戰不殆；He who has a thorough knowledge of the enemy and himself is bound to win in all battles.
- 已知條件known conditions
- 現已知與未知之事間的距離極大。The gap between the now knowable and unknowable is vast.
- 另外,老爸還是我的一個(gè)十分要好的知已朋友呢!The secus, old daddy is still my a full to be good friends with of know already friend!
- 她一直是他姐姐的知已，又是他母親忠實(shí)的客人。She had been his older sister's friend, and his mother's faithful visitor.
- 已知半徑為四英尺,求周長(cháng)。The given radius being 4 ft., find the circumference.
- 【諺】患難識知已。A friend in need is a friend in indeed.
- 已知數known number
- 視為知已look upon
- 這個(gè)國家缺少已知的煤礦礦床。The country is short of known deposits of coal.
- [諺]患難識知已。A friend in need is a friend in indeed.
- 現在周期表包括人類(lèi)已知的全部元素，這些元素按適當的順序排列起來(lái)。The periodic table now contains all the elements known to man arranged in their proper sequence.
- 知已健康管理health management
- 這事被認為是已知事實(shí)。It is taken as a given.
- 士為知已者死the scholar dies for his bosom friend
