苟延残喘
Keep body and soul together.
Linger on.
eg:The beggar lives a miserable life just to keep body and soul together.
中英俚语俗语来源:马中锡·中山狼传:"今日之事,何不使我得早处囊中,以苟延残喘乎。 "
同义词:得过且过 To muddle through.