convulsion
/kənˈvʌlʃn; kən`vʌlʃən/ n
1 (usu pl 通常作复数) sudden violent uncontrollable body movement, caused by contraction of muscles 痉挛; 抽搐
The child reacted to the drug by going into convulsions. 这孩子全身痉挛, 对药物有反应.
2 violent disturbance 大乱; 乱子
The leader's assassination led to political convulsions, eg an attempt at revolution. 领导人遇剌引起了政治动乱.
3 convulsions [pl]
uncontrollable laughter 捧腹大笑
The story was so funny it had us in convulsions. 这故事滑稽极了, 使我们笑得不亦乐乎.