n.a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
同义词：upstartnouveau-richearriviste
adj.
characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
同义词：nouveau-richeparvenueupstart(a)
of or characteristic of a parvenu
同义词：parvenue
英汉双解大词典
parvenu/ˈpɑːvəˌnjuː/(parvenus)
1.
N-COUNT（可数名词）
If you describe someone as a parvenu, you think that although they have acquired wealth or high status they are not very cultured or well-educated. 暴发户 [正式]