揭露某事, 揭开序幕

lift the curtain on draw the curtain on sth. lift the curtain over raise the curtain on on the lift lift the embargo on have sth. on the brain put sth. on the market do sth. on the big figure lift-on-lift-off have sth. on the tin of one's tongue lift the curtain on sth draw the curtain on sth. draw the curtain on sth lift the embargo on lift the ban on on the lift to lift the ban on... have sth. on the brain have the corner on sth. have the corner on sth have sth on the brain