draw the curtain over something—(also: draw the curtain on something ) refrain from discussing smth.; be secretive about smth.:
- The current leader has been trying to draw the curtain over the events of the past decade.
ring down the curtain on something—(also: bring down the curtain on something ) cause an activity, business, etc. to come to an end:
- Very shortly, school bells will ring down the curtain on the final term of the millennium.