1[intransitiveI]SHAKE if your body or a part of it convulses, it moves violently and you are not able to control it 〔身体或身体某部分〕剧烈震动,剧烈抖动
He sat down, his shoulders convulsing with sobs.
他坐下来,因抽泣肩膀剧烈抖动。
2.be convulsed with laughter/anger etcLAUGHto be laughing so much or feel so angry that you shake and are not able to stop yourself 笑得全身抖动/气得发抖等
Examples from the Corpus
be convulsed with laughter/anger etc• All of us were convulsed with laughter.• From the moment I picked up your book until I laid it down I was convulsed with laughter.
3[transitiveT] if something such as a war convulses a country, it causes a lot of problems or confusion 〔战争等〕使〔国家〕剧烈震动,使猛烈震撼
A wave of nationalist demonstrations convulsed the country in 1919.