1.The water that bears the boat is the same that swallows it up.
水能載舟，亦能覆舟。
2.Old sin makes new shame.
一失足成千古恨。
3.Once bitten， twice shy.
一朝被蛇咬，十年怕井繩。
4.One boy is a boy， two boys half a boy， three boys no boy.
一個和尚挑水喝，兩個和尚抬水喝，三個和尚沒水喝。
5.Wet behind the ears.
乳臭未干。
6.One eyewitness is better than ten hearsays.
百聞不如一見。
7.One man's fault is other man's lesson.
前車之鑒。
8.Out of sight， out of mind.
眼不見，心為靜。
9.Pleasure comes through toil.
苦盡甘來。
10.Pour water into a sieve.
竹籃子打水一場空。
11.Practice makes perfect.
熟能生巧
12.Pride goes before， and shame comes after.
驕傲使人落后。
13.Promise is debt.
一諾千金。
14.Rome is not built in a day.
冰凍三尺，非一日之寒。
15.Seek the truth from facts.
實事求是。