Free rein
Free-for-all
Hit and miss
Take a big hit
Get off scot-free
To hit the road
There's no such thing as free lunch
Hit the right note
To hit a nerve
A real hit
An unrestricted situation or event where everyone may take part
To go unpunished.
A big success
Everything costs something (you should be suspicious of anything that apears to be free)
To leave
Suffer a financial loss
Freedom of action or expression.
To mention a sensitive point.
To be appropriate
Not consistently successful
