go to ground

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.

boldly go where no man has gone before

To break new ground.

come and go

To repeatedly appear and disappear; to be transient.

common ground

A characteristic or interest shared by multiple people or systems; any belief, etc. held in common.

don't go there

Do not broach that topic.

ear to the ground

The practice or characteristic of carefully gathering information; a state or mindset of attentiveness.