他靠卖菜赚钱英语

They rely on selling vegetables for aliving

The old man makes a living by selling vegetables.

You did too much comparing your earning.

当然不能逐字照翻，只要把意思表达出来即可。同时注意，中文虽然没有主语，但译成英文一定得加上主语，或者用祈使语气，提供两种译法供参考：1、You're earning pennies while worrying about billions.2、A penny in pocket; a million on mind.

They make a living by selling vegetables.

Did you make a living by sell vegetables in the past? 第二是什么？

He sells vegetables for a living; the family is very poor even without a place to stay. 【英语牛人团】