Definition of as best one can or may in English:

as best one can (or may)

As effectively as possible under the circumstances: I went about my job as best I could
More example sentences
  • Also, you just want to do the job as best you can, and if you think you're doing the job well, that gives you satisfaction.
  • I guess you just each day get up and do what has to be done, and whatever the circumstances are, as things change you just cope as best you can.
  • ‘You live with it as best you can,’ he said.
See parent entry: best