1、 Two wrongs do not make a right.
兩個錯誤加不出一個正確；用錯誤改正不了錯誤。
2、 Seeing much, suffering much, and studying much, are the three pillars of learning.
多見識，多受苦，多學習，是知識的三大來源。
3、 A bird in the hand is worth two in the bush.
雙鳥在林，不如一鳥在手。
4、 An hour in the morning is worth two in the evening.
一日之計在於晨。
5、 Saying and doing are two things.
說與做是兩回事。
6、 Kill two birds with one stone.
一箭雙鵰；一石二鳥；一舉兩得。
7、 To him that does everything in its proper time, one day is worth three.
凡事及時做，一天賽三天。
8、 It takes two to make a quarrel.
一個巴掌拍不響。
9、 One careless move may lose the whole game.
一著不慎，滿盤皆輸。
10、 Two heads are better than one.
兩人智慧勝一人；三個臭皮匠，頂個諸葛亮。
11、 All bread is not baked in one oven.
麵包不都是一個爐灶里烤出來的；不應強求一律。
12、 Between two stools you fall to the ground.
欲坐雙凳必墜地。
13、 Better master one than engage with ten.
十事半通，不如一事精通。
14、 Never make two bites of a cherry.
一顆櫻桃不要分兩口吃；做事不要拖泥帶水。
15、 A stitch in time saves nine.
小洞不補，大洞尺五；及時處理，事半功倍。
16、 One enemy is too many, and a hundred friends too few.
敵人一個也嫌多，朋友上百也嫌少。
17、 A man at sixteen will prove a child at sixty.
十六不成人，六十不成器。
18、 One flower does not make a spring.
一花獨放不是春。
19、 One today is worth two tomorrows.
一個今天勝似兩個明天。
20、 One swallow does not make a summer.
一燕飛來不成夏。
21、 He that is not wise at twenty , nor strong at thirty , nor rich at forty ,nor wise at fifty , will never be handsome ,strong, rich or wise.
二十不俊一生醜，三十不強一生弱，四十不富一生窮，五十不智一生愚。
22、 A bride is diligent for three days.
新娶媳婦三日勤。
23、 One strand of silk does not make a thread; one tree does not make a forest.
單絲不成線；獨木不成林。
24、 Four eyes see more than two.
兩人總比一人看得周到。
25、 One man, no man.
個人是渺小的。()
26、 If you run after two hares, you will catch neither.
同時追二兔，全都抓不住/必將無所獲。
27、 If two parties fight, a third party will benefit; Two dogs strive for a bone, and a third runs away with it.
鷸蚌相爭，漁翁得利。