1.应该是“当他微笑时”吧？whenhesmiles,theworldloveshim;whenhelaughs,theworldfearshim.2.asmilemakesyoutenyearsyounger.3.asmilesweepsallyoursorrowsaway.谚语：1。Asmileyousent,willalwaysreturn.2。Ifyouseeafriendwithoutasmile;givehimoneofyours.3。Don'tcryforamanwho'sleftyou,thenextonemayfallforyoursmile.(这句很有名啊)Agoodneighborisafellowwhosmilesatyouoverthebackfence,butdoesn'tclimboverit.Author:BugsBaerWearasmileandhavefriends;wearascowlandhavewrinkles.Whatdoweliveforifnottomaketheworldlessdifficultforeachother?Author:GeorgeEliotIfyouhaveonlyonesmileinyou,giveittothepeopleyoulove.Don'tbesurlyathome,thengooutinthestreetandstartgrinning"Goodmorning"attotalstrangers.Author:MayaAngelouAsenseofhumorcanhelpyouoverlooktheunattractive,toleratetheunpleasant,copewiththeunexpected,andsmilethroughtheunbearable.Author:MosheWaldoksIfyou'renotusingyoursmile,you'relikeamanwithamilliondollarsinthebankandnocheckbook.Author:LesGiblinAsmileisacurvethatsetseverythingstraight.Author:PhyllisDillerAsmileabroadisoftenascowlathome.Author:LordAlfredTennysonEverytearhasasmilebehindit.Author:IranianProverbWrinklesshouldmerelyindicatewheresmileshavebeen.Author:MarkTwainItisimpossibletopersuadeamanwhodoesnotdisagree,butsmiles.Author:MurielSparkAsmileisalightinthewindowofthesoulindicatingthattheheartisathome.Author:SourceUnknownBetterbyfarthatyoushouldforgetandsmilethanthatyoushouldrememberandbesad.Author:ChristinaRossettiAwinningsmilemakeswinnersofusall.Author:SourceUnknownLetasmilebeyourumbrella,andyou'llendupwithafacefullofrain.Author:GeorgeCarlinIttakes26musclestosmile,and62musclestofrown.Author:SourceUnknownLifeisshortbutasmiletakesbarelyasecond.Author:CubanProverbSmile;itthesecondbestthingonecandowithone'slips.Author:SourceUnknownStarteverydayoffwithasmileandgetitoverwith.Author:W.C.FieldsAsmileisthelightinyourwindowthattellsothersthatthereisacaring,sharingpersoninside.Author:DenisWaitley***********************************************Enough？你还不肯采纳我么？