have the world at one's feet从字面上理解是“让世界在某人脚下”，真实含义是“极为成功，功成名就，为世人仰慕”。

【例句】
Amy is such a talented singer that I'm sure she'll have the world at her feet one day.
艾米是一个如此有才华的歌手，我相信有一天她会功成名就。

She’s got money; she’s well-educated; the world is at her feet.
她很有钱，受过良好的教育，为很多人仰慕。