One enemy is too much.一個(gè)敵人也太多.

One eyewitness^{1 is better than ten hearsays.百聞不如一見。}

One false move may lose the game.一著不慎，滿盤皆輸.

One false step will make a great difference.失之毫厘，謬以千里.

One father can support ten children, ten children cannot support one father.一個(gè)爸爸能扶養(yǎng)十個(gè)孩子，十個(gè)孩子卻不可以贍養(yǎng)一個(gè)爸爸.

One father is more than a hundred schoolmasters.一個(gè)爸爸勝于一百個(gè)教師.

One flower makes no garland.一木不可以成林.

One foe^{2 is too many; and a hundred friends too few.朋友成百猶覺少，仇敵一人已嫌多.}

One fool makes many.一人傻，傻大伙.

One foot is better than two crutches^{3.一只腳勝過(guò)兩根拐杖.}

One good head is better than a hundred strong hands.上百雙有力的手，不如一個(gè)聰明的頭腦.

One good mother is worth a hundred schoolmasters.一個(gè)好的媽媽頂?shù)蒙弦话賯€(gè)教師.

One good turn deserves another.以德報(bào)德.

One half of the world does not know how the other half lives.貧富不相知.

One has lived too near a wood to be frightened by owls^{4.深知底蘊(yùn)，不以為怪.}

One honest word is better than two oaths.兩句誓詞不如一句實(shí)話.

One hour today is worth two tomorrow.今天的一個(gè)小時(shí)抵得上明天的兩個(gè)小時(shí).

One hour's sleep before midnight is worth three after.午夜前睡一小時(shí)抵得上午夜后睡三小時(shí).

One is never too old to learn.人沒老得不可以學(xué)的時(shí)候。

One love drives out another.新愛逐舊歡.

One man makes a chair and another man sits in it.坐享其成.

One man may steal a horse while another may not look over a hedge.只許州官放火，不許百姓點(diǎn)燈.

One man, no man.個(gè)人是渺小的。

One mans fault is another mans lesson.一個(gè)人的過(guò)失是另一個(gè)人的教訓(xùn)。

One mans meat is another mans poison.一個(gè)人的美點(diǎn)，可是另一人的毒藥。