这个是【惊弓之鸟】的,我以前用这个做过presentation,有故事情节最后还有大道理.

　　Therelivedawell-knownarchernamedGengYingwhoseartinshootingwasexcelledbynoneathistime.

　　Oneday,ashewasstandingbythesideoftheKingofWei,aflockofswangeesewereflyingover.Withconfidence,GengYingsaidtotheking,"Thetwangofmybow-stringmightbringdownabird."TheKingdoubtedmuch.Justthenasolitaryswangooseappeared,lowandslowinitsflight,sadanddolorousinitscry.InstantlyGengYingbendedhisbowandforciblypulledthebowstring.Twang!Highupwentheshrillingsoundintotheairanddownfellthebirdtotheground.Thekingadmiredwithbewilderment.GangYingthenexplained:"Thebirdwasflyinglowandslow,becauseitwasalreadyhurt;itwascryinginabittertone,becauseithadlostitscompanions.Duetothefactthatitwasalreadyhurtandsadatheart,thetwangofmystrongbow,thatbirdsdreadedmost,startledit.Theshrillingsoundmadeitsheartbeatfast,itswingsweak,itsbalanceuneven.Thusitfelldownjustascommonlyasamandropshischop-sticks,atthethunder-stroke,atadinnertable."Henceforthcomestheidiom"Abirdstartledbythemeretwangofabow-string",illustratingacasewhereamanwhohadbeenpreviouslyandrepeatedlyfrightenedbecamenumbandstupefiedbyanewthingofthesamenaturenotknowinghowtofacethenewsituation.

　　惊弓之鸟这个成语的翻译是：Aburntchilddreadsthefire.【英语直译：烧伤过的孩子害怕火】