他们沦落到极度贫困的地步。

They were reduced to extreme poverty.

《柯林斯英汉双解大词典》

他们沦落到沿街乞讨。

They were reduced to begging in the streets.

《牛津词典》

我怎么也想不到他会沦落到乞讨为生。

I never thought he would come down to begging.

youdao

The image here that comes to mind for me is one of these deposed kings who ends up waiting on tables to make a living in New York.

我此刻想到的一幅景象,便是一位被废黜的国王,沦落到要在纽约靠当侍应生谋生的结局。

耶鲁公开课 - 死亡课程节选