得过且过
Let well enough alone.
To muddle along.

eg：It's not easy to find a job, so let well enough alone with what you have now.

中英俚语俗语来源：陶宗仪·辍耕录：“寒号虫至深冬严寒之际，自鸣曰，得过且过。”

同义词：马马虎虎 Fair to middling.
反义词：一丝不苟 Dot one's i's and cross one's t's.