On most days you are busy just keeping your head above water.

在大多数时候你只顾着把头保持在水面上。

Another expression, to keep your head above water, expresses a similar message.

另一个表达方式，to keep your head above water， 表达了类似的信息。

So, if you keep your head above water, then you are surviving, just.

所以，如果你保持头脑清醒， 那么你就可以生存。

Must be hard to keep your head above water when your prince is causing everyone around you to drown.

当你的王子把你周围所有的人都拖下水后恐怕你也很难幸免于难了。