1.Iftheolddogbarks,hegivescounsel.
老狗叫,是忠告。
2.IfthemountainwontcometoMohammed,Mohammedmustgotothemountain.
大山不能向穆罕默德走来，穆罕默德只得向大山走去。
3.Iftheskyfallsweshallcatchlarks.
天塌下来我们正好可以抓云雀。
4.ifyougivehimaninch，hewilltakeamile．
得寸进尺。
5.Ifyouwantknowledge,youmusttoilforit.
要想求知,就得吃苦.
6.Ifyoudontaimhighyouwillneverhithigh.
不立大志,难攀高峰.
7.Ifyourearsglow,someoneistalkingofyou.
耳朵发烧,有人念叨.
8.Ifyouwanttowatchmore,pleasegoupstair.
欲穷千里目,更上一层楼.
9.Ifyouventurenothing,youwillhavenothing.
不入虎穴,焉得虎子
10.Ifyourunaftertwohares,youwillcatchneither.
脚踏两条船,必定落空
11.Ifyoumakeyourselfanass,dontcomplainifpeoplerideyou.
人善被人欺,马善被人骑
12.Ifamandeceivesmeonce,shameonhim,ifhedeceivesmetwice,shameonme.
上当一回头,再多就可耻.
13.Ifyousellthecow,yousellhermilktoo.
杀鸡取卵.
14.Ifyouwantknowledge,youmusttoilforit.
要想求知,就得吃苦
15.Ifamanemptieshispurseintohishead,nomancantakeitawayfromhim.
如果倒空钱袋,装入脑袋,那就无人能够把钱夺走.
16.Ifamanwillbeginwithcertainties,heshallendindoubts,butifhewillbecontenttobeginwithdoubts,heshallendincertaintics.
如果以肯定开始,必将以怀疑告终；如果愿以怀疑开始,必将以肯定告终.
17.Ifatfirstyoudontsucceed,try,tryagain.
初试不成功,努力勿懈怠.
18.Ifdoctorsfailthee,bethesethreethydoctors;rest,cheerful-ness,andmoderatediet.
如果医药不能帮助,那么注意三件事∶休息,愉快,饮食调和.
