bangagainst ударить(ся); стукнуть(ся) I banged my head against the doorpost and hurt it. The car bangedagainst the garage door and damaged it. bang one's head against a brick wall пытаться пробить головой стену, стараться напрасно (употребляется только во временах Continuous) Grace went on writing to her red-haired boy even though he didn't reply to a single letter for a year; she was banging her head against a brick wall.
