close on the heels of

close enough for government work

Adequate; acceptable as government work, imperfect but not worth the time nor effort of improving.

close in on

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

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.

close the book on

To stop worrying about or trying to do something about; to ignore.

close the books

To finalize the financial records for a specific accounting period; to cease trading.