ThisisastoryfromThreeKingdoms. HuangZhong， aveteraninthearmyofShu， wasoneofitstopfivegenerals. ZhangHeunderCaoCaohadsufferedonedefeatafteranother. CaoHonggavehima 5，000-strongarmytoattackJiamengPass. WhenLiuBeilearnedthis， heconsultedwithZhugeLiang， hismilitaryadvisor. ZhugeLiangsaid： ZhangHeisadistinguishedgeneralofCaoCao. OnlyZhangFeicoulddefeathim. ThisirritatedveteranHuangZhong. Huangshouted： Advisorhaslookeddownuponme. Iwillgethisheadoffandofferittoyou. ZhugeLiangproddedHuangagainbysaying， Thoughyouarevaliant， IamafraidyouarenotZhangHesmatchbecauseyouaretooold. WhenHuangZhongheardthis， hisgrayhairangrilystoodonend. Hesaid， OldasIam， Iamabletoopentwobowsandamfullofvitality. Huangwentdownandgotabigswordofftherackandperformedwithit. Hetooktwohardbowsoffthewallandpulledthembroken. ThenZhugeLiangsaid： Ifyougo ，whomwouldyouliketobeyourassistant？ HuangZhongreplied， VeteranYanYan. IfthetwoofuscannotdefeatZhangHe， mygray-hairedbeadisyours. LiuBeiandZhugeLiangwereverypleased. TheveterangeneralswereorderedtofightZhangHe. WhenHuangZhongandYanYangottoJiamengPass， theylaidatraptodefeatZhangHe. ThentheyusedskillfultacticstotakeoverTiandangMountain， thegranaryofCaoCaosarmy. Later， theycapturedDingjunMountain. TheyreportedbacktoLiuBeiandZhugeLiangdeclaringacompletevictory.