他自己养活自己英语怎么说

"他自己养活自己"的英文表达是 "he supports himself"。其来源可能源于拉丁语的 "sustinere"，意为"支持、维护"。
例句：
He supports himself by working as a freelance writer. 他通过做自由撰稿人来养活自己。
She's been supporting herself since she graduated from college. 自从毕业后，她一直在自己养活自己。
He was forced to support himself after his parents died. 他父母去世后，被迫自己养活自己。