nouveau riche

n (pl nouveaux riches / 9nu:vEU 5ri:F; nuvo`riF/) (usu pl 通常作复数) (derog贬) person who has recently, and often suddenly, become rich, esp one who displays his wealth ostentatiously 暴发户.

noticeable, noticeably, notifiable, notification, notify, notion, notional, notoriety, notorious, notoriously, notwithstanding, nougat, nought, noughts and crosses (US tick-tack-toe), noun, noun phrase, nourish, nourishing, nourishment, nous, Nov, nova, novel, novelette, novelist, novelty, November, novice, noviciate (also novitiate), now, now and then, now that, nowadays, nowhere, noxious, noxiously, noxiousness, nozzle, nr, NSB,