close enough for government work

busy work

Work or activity performed with the intention or result of occupying time, and not necessarily to accomplish something productive; routine work of low priority undertaken for the sake of avoiding idleness.

can't get enough

Greatly enjoys; likes a lot.

close in on

To enclose around; to tighten or shrink; to collapse.

close on the heels of

Near in time or place; very close.

close one eye

to look the other way, to deliberately ignore or overlook (a mistake or transgression).

close one's eyes

To ignore something.

close one's mind

To refuse to understand things.

close season

A situation or period in which some activity is forbidden or discontinued.