come to a close

as they come

As it is possible to be.

blow to kingdom come

To totally destroy (something); to annihilate or wipe out (something).

Christmas come early

Something very delightful or fortunate that is happening or has happened, especially earlier than expected.

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 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.