go down in the world
US /ɡoʊ daʊn ɪn ðə wɜːrld/
UK /ɡoʊ daʊn ɪn ðə wɜːrld/

1.
走下坡路, 衰落
to become less successful or to lose social status or money
:
•
After losing his job, he really started to go down in the world.
失業後,他真的開始走下坡路了。
•
It's sad to see how some once-wealthy families can go down in the world so quickly.
看到一些曾經富裕的家庭如此迅速地衰落,真是令人悲傷。