[no obj.](of a person) suffer violent involuntary contraction of the muscles, producing contortion of the body or limbs (人)抽搐;痉挛 she convulsed, collapsing to the floor with the pain. 她抽搐着,痛苦地倒在地上。 ■[with obj.](一般作 be convulsed)(of an emotion, laughter, or physical stimulus) cause (someone) to make sudden, violent, uncontrollable movements (情绪、笑或物理刺激)使(无法控制地)剧烈抖动 Harry was convulsed by a second bout of sneezing. 哈利因第二阵喷嚏颤抖不已。 she rocked backwards and forwards, convulsed with helpless mirth. 她开心地笑得前仰后合。 ■[with obj.](figurative)throw (a country) into violent social or political upheaval (喻)使(国家)陷入剧烈的社会(或政治)动荡 a wave of mass strikes convulsed the Ruhr, Berlin, and central Germany. 大规模的罢工浪潮使鲁尔、柏林和德国中部地区动荡不安。
语源
mid 17th cent.: from Latin convuls- 'pulled violently, wrenched', from the verb convellere, from con- 'together' + vellere 'to pull'