convulse
verb [ I or T ] uk/kənˈvʌls/ us/kənˈvʌls/
（使）剧烈抖动;（使）抽搐，（使）痉挛
to (cause to) shake violently with sudden uncontrolled movements
to convulse with pain 痛苦地抽搐
A racking cough convulsed her whole body. 一阵剧烈的咳嗽使她全身都剧烈抖动起来。
Idiom
be convulsed with laughter, rage, etc.idiom 笑得前仰后合（气得浑身发抖等）
to laugh or feel anger, etc. in a way that you cannot control