as well or as good as is possible in a particular situation.
You have to live your life as best you can and not worry about what people are going to say.
as best (one) can
To the best of one's abilities or by whatever means are available or possible. He's helping as best he can—you don't need to criticize him so much.I'm doing as best I can with these centerpieces, but I'm afraid they still won't be done in time.
as ˌbest you ˈcan
not perfectly but as well as you are able: We’ll manage as best we can.