give up the ghost

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.

ghost at the feast

A presence that mars one's enjoyment by causing guilt or reviving unwelcome memories.

ghost from one's past

Something unpleasant from one's past that "haunts" them (makes them feel uneasy) to the present day.

ghost home

A residence intentionally kept vacant by an absentee owner, especially a foreign investor, as a financially safe asset to be liquidated at a convenient time.

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)