名词

1. 抽搐;痉挛
If someone has convulsions, they suffer uncontrollable movements of their muscles.

2. (国家、体系、组织发生的)动乱，骚乱
If there are convulsions in a country, system, or organization, there are major unexpected changes in it.

1. a physical disturbance such as an earthquake or upheaval

2. a violent disturbance

e.g. the convulsions of the stock market

Synonym: turmoilupheaval

3. violent uncontrollable contractions of muscles

4. a sudden uncontrollable attack

e.g. a paroxysm of giggling
a fit of coughing
convulsions of laughter

Synonym: paroxysmfit