求翻译、英语短文
MarkTwain,thefamouswriterandspeaker,likedtoplayjokesonothersButonceajokewasplayedonhim.
Oneday,MarkTwaingavealectureinasmalltown.Atlunchayoungmantoldhimthathisuncleneverlaughed.Nobodyandnothingcouldmakehisunclelaugh
ButMarkTwiansaidhewassurehecouldmakehimlaugh.Heaskedtheyoungmantobringhisuncletohishouse.ThateveningMarkTwaintoldsomeinterestingstories.Everyoneonelaughed,buttheoldmanneverevensmiled.MarkTwaintoldfunnieststories,buttheoldmandidnotlaugh,either.Atlast,hestopped.Hewadverytired.
Somedayslater,MarkTwaintoldafriendofhisaboutthisstory,Hisfriendlaughedandsaidthatheknewthatoldman.Hewasdeaf