long shot

a little of something goes a long way

Only a small amount of something is usually required to produce a great effect.

a week is a long time in politics

In politics, much change can occur in a short space of time.

as the day is long

Unceasingly; very; thoroughly; to a very high degree.

big shot

A person with a reputation of importance or power.

chip shot

Something that is easy to do or to achieve.

come a long way

To make significant progress.

draw a long bow

To lie; to exaggerate.

draw the long bow

To exaggerate; to tell tall tales.