His small farm provides maintenance, but not much more.

他的小农场能使他们维持生活, 但仅此已。

He earns his living as a motorcar driver.

他当汽车司机维持生活。

He earns a precarious living as a window washer.

他靠做擦窗维持着朝不保夕的生活。

That old man lives on the earnings of his daughter.

那老人靠他女儿的收入维持生活。

They eke out a precarious existence foraging in rubbish dumps.

他们靠在垃圾场捡垃圾维持着朝不保夕的生活。

He gave money for the sustenance of a poor family.

他把钱给一穷人家维持生活。

He was an independent income.

他有一份不必能维持生活的收入。