1、继续活下去
... keep an eye on sth 密切注意 keep body and soul together 继续活下去 keep my fingers crossed 交叉手指，乞求某事成功 ...
2、维持生活
... keep watch 注意，警惕，提防 keep back 扣下，隐瞒，忍住（眼泪） keep body and soul together 维持生活 ...
3、维持生命
and so on 等等 ; or so 大约; so far迄今为止 keep body and soul together 维持生命; throw one's heart and soul into the work 全神贯注地工作 ;heart and soul=whole-heartedly 全心全意地 ..
4、勉强糊口
... chicken feed/meager income肤浅单薄的收入 keep body and soul together勉强糊口 impoverished贫困的;赤贫的 ...