beat as one

as best one can

In the best possible way, given one's circumstances and abilities.

as far as one knows

To the best of one's knowledge, as far as someone knows or possible information to be gathered about the topic, subject, aspect, or situation.

back to square one

Located back at the start, as after a dead end or failure.

beat a dead horse

To persist or continue far beyond any purpose, interest or reason.

beat a retreat

To leave hastily in the face of opposition.

beat around the bush

To treat a topic, but omit its main points, often intentionally.

beat Banaghan

To tell wonderful stories, or something which is amazing and remarkable.

beat feet

To run.