fool's gold

劍橋詞典

a mineral that is found in rocks and looks like gold but is not valuable
愚人金（指看上去像黃金但其實(shí)一錢不值的礦物）

something that you think will be very pleasant or successful but is not
誤以為會令人愉快（或大獲成功）的事物 返回 fool's gold