"余生" 的英文表达为 "the rest of one's life"。

这个说法源于拉丁语，"余生" 的拉丁语说法为 "residua vita"，其中 "residua" 意为 "剩余的"，"vita" 意为 "生命"。

例句：

I want to make the most of the rest of my life. 我想好好利用余下的时光。

He is determined to travel the world for the rest of his life. 他决心游遍世界余生。

She plans to dedicate the rest of her life to charity work. 她计划把余生用于慈善事业。