go by the board

all dressed up and nowhere to go

Elaborately attired or otherwise fully prepared for an anticipated situation or activity which, nevertheless, fails to occur.

all systems go

Everything is ready.

as you go

While one is doing (something); as one progresses.

back to the drawing board

Indicates that one must try a different strategy in order to achieve some goal following the failure of a recent attempt.

boldly go where no man has gone before

To break new ground.

come and go

To repeatedly appear and disappear; to be transient.

don't go there

Do not broach that topic.

easy come, easy go

Easily won and easily lost (usually said when resigned to a loss; something that comes in the same way, goes in the same way)