Definitions for "Bring down"
cause the downfall of; of rulers; "The Czar was overthrown"; "subvert the ruling class"
cause to come to the ground; "the pilot managed to land the airplane safely"
(1) (n) something depressing. Ex. "That's a bring down". (2) (v) Ex. "That brings me down".
move something or somebody to a lower position; "take down the vase from the shelf"
impose something unpleasant; "The principal visited his rage on the students"