无以为生 meaning in Chinese

live on nothing

God saved the fool , and did not let them run out , for if it be not for them , wise men can not get a living
请上帝救助蠢人吧，请勿使他们绝种，因为要不是有他们，聪明人就无以为生啦。
He had not returned sooner , he replied , simply because he had no means of living in france , save those he had resigned ; whereas , in england , he lived by giving instruction in the french language and literature
他没有早些回来原因很简单，他回答道，因为他放弃了财产，在法国无以为生，而在英国他以教授法语和法国文学度日。