give something a miss

a little of something goes a long way

Only a small amount of something is usually required to produce a great effect.

chalk something up to experience

To take a lesson from a bad outcome instead of grieving it.

don't give up your day job

Somewhat sarcastic but usually good-natured advice used to criticise a person's degree of talent (especially in music or other performing arts), implying that they are unlikely to be successful.

get something over with

To proceed to do something as soon as possible, especially so as to have something unpleasant behind oneself.

give a damn

To be concerned about, have an interest in, to care (about something).

give a fuck

To care; to give a shit.

give a good account of oneself

To act in a creditable manner.

give a hang

give a hoot; give a damn (to care about; to place value on something)