Muddle through

I’ve only had a few lessons, but I can muddle through the test.

Someday soon we all will be together / If the fates allow. / Until then we'll have to muddle through somehow. / So have yourself a merry little Christmas now.

If Labour's senior team thinks that it can just muddle through to the next election without a coherent plan about how to tackle the problems of the industry, it is making a big mistake.