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