-get[grow]dizzywithsuccess;becomehighlyconceited;beoncloudnine;elatedtothedegreeofforgettingone'sform;gowildwithjoy;haveone'sheadturnedbysuccess;loseallbearingsinamomentofprideandsatisfaction;puffedupwithpride:
Hisheadiseasilyturnedbyevenasmallachievement.他这个人有了一点成绩就得意忘形。