一攫千金 - JP-EN Jisho

一(いっ)攫(かく)千(せん)金(きん)

common

Other forms:

一(いっ)獲(かく)千(せん)金(きん)

noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no'yojijukugo

getting rich quick; making a killing; making a fortune at a single stroke