“使沦为乞丐”可以翻译为“reduce (someone) to beggary” 或者 “drive (someone) to become a beggar” 。
例如：
The war reduced many families to beggary.
战争使许多家庭沦为乞丐。
Losing all his property in the fire drove him to become a beggar.
在火灾中失去所有财产使他沦为了乞丐。