1. One today is worth two tomorrows.  一个今天胜似两个明天。

      2. One flower does not make a spring. 一花独放不是春。

      3. One swallow does not make a summer. 一燕飞来不成夏。

      4. One man, no man. 个人是渺小的。

      5. One strand of silk does not make a thread; one tree does not make a forest. 单丝不成线；独木不成林。

      6. One careless move may lose the whole game.  一着不慎，满盘皆输。

      7. One enemy is too many, and a hundred friends too few.   敌人一个也嫌多，朋友上百也嫌少。

      8. All bread is not baked in one oven. 面包不都是一个炉灶里烤出来的；不应强求一律。

      9. To him that does everything in its proper time, one day is worth three. 凡事及时做，一天赛三天。

      10. Better master one than engage with ten. 十事半通，不如一事精通。

      11. A bird in the hand is worth two in the bush. 双鸟在林，不如一鸟在手。

      12. It takes two to make a quarrel.  一个巴掌拍不响。

      13.      If two parties fight, a third party will benefit; Two dogs strive for a bone, and a third runs away with it. 鹬蚌相争，渔翁得利。

      14. Between two stools you fall to the ground.  欲坐双凳必坠地。

      15. Kill two birds with one stone. 一箭双雕；一石二鸟；一举两得。

      16. Two wrongs do not make a right.  两个错误加不出一个正确；用错误改正不了错误。

      17. Two heads are better than one.  两人智慧胜一人；三个臭皮匠，顶个诸葛亮。

      18. Never make two bites of a cherry. 一颗樱桃不要分两口吃；做事不要拖泥带水。

      19. Saying and doing are two things. 说与做是两回事。

      20. If you run after two hares, you will catch neither. 同时追二兔，全都抓不住/必将无所获。

      21. An hour in the morning is worth two in the evening. 一日之计在于晨。

      22. Seeing much, suffering much, and studying much, are the three pillars of learning.  多见识，多受苦，多学习，是知识的三大来源。

      23. A bride is diligent for three days.  新娶媳妇三日勤。

      24. Four eyes see more than two.  两人总比一人看得周到。

      25. A stitch in time saves nine. 小洞不补，大洞尺五；及时处理，事半功倍。

      26. A man at sixteen will prove a child at sixty. 十六不成人，六十不成器。

      27. 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. 二十不俊一生丑，三十不强一生弱，四十不富一生穷，五十不智一生愚。