wallop ---------- 1.猛击（及物动词，非正式）；2.震撼（名词，非正式）

英文释义
1. (transitive verb, INFORMAL) To hit forcefully.
2. (noun, INFORMAL) A powerful force or effect.

例句
The door swung open and walloped me to the floor.
门猛地开了，把我撞倒在地。
The young hero's death at the end of the movie hit audiences with a wallop that they will never forget.
影片中年轻主角的死亡带给观众毕生难忘的强烈震撼。