go too far

a bridge too far

A step or action that is too ambitious; an act of overreaching.

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 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.

as you go

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

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.