n.暴发户，新贵；傲慢自负的人；adj.暴富的；自命不凡的，傲慢无礼的；vi.突然跳起，突然发起； 变形： 复数：upstarts 英英释义： upstart[ 'ʌpstɑ:t, ʌp'stɑ:t ]n.an arrogant or presumptuous persona person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that cla