3、说到做到。17.Toseeistobebelieve./Seeing is believing.眼见为实。18.Everysecondcounts.分秒必争。19.Learnthenewbyreviewingtheold.温故而知新。20.Hewhoplayswithfiregetsburned.玩火者比自焚。21.Outofsight,outofmind眼不见心不烦22.East or west,home is the best. 金窝银窝不如自家草窝。23.Out of sight, out of mind. 眼不见，
4、心不烦。24.Onelearnsbydoing.实践出真知。25.Aslowsparrow should makeanearlystart.笨鸟先飞 26.The older the wiser.人老智多(姜还是老的辣。)27.Byfallingwelearntogosafety.吃一堑，长一智28.It'snevertoolatetolearn.活到老，学到老29.Nothingisdifficulttoamanwhowills.世上无难事，只怕有心人。30.Anidle youth,aneedy age. 少壮不努力，
5、老大徒伤悲。31.Givehimaninchandhewilltakeamile.得寸进尺。32.No fire without smoke. 无风不起浪。33.Experienceisthebestteacher.经验是最好的老师。34.Neversaydie!不要气馁！35.Thereisnousecryingoverspiltmilk.牛奶洒了，哭也没有用。（覆水难收）36.Youcan’tjudgeabookbyitscover.人不可貌相。37.Pridewillhaveafall.骄者必败。38.Nomanca
6、ndotwothingsatonce.一心不能二用。39.Failure is the mother of success. 失败是成功之母。40.Afriendinneedisafriendindeed.患难见真情。41.Youcannoteatyourcakesandhavethem.鱼与熊掌不可兼得。
