brunt /ˈbrʌnt/
  主力,衝力
  Brunt n.
  1. The heat, or utmost violence, of an onset; the strength or greatest fury of any contention; as, the brunt of a battle.
  2. The force of a blow; shock; collision. “And heavy brunt of cannon ball.”
     It is instantly and irrecoverably scattered by our first brunt with some real affair of common life.   --I. Taylor.
  ◄ ►
  brunt
       n : main force of a blow etc; "bore the brunt of the attack"