convulse

• 动词，用于描述突然、强烈、不自主的肌肉收缩或痉挛，常由疾病或强烈情绪引起；也可指使剧烈震动、抽搐或使陷入剧烈动荡。

A verb used to describe the act of experiencing sudden, violent, involuntary muscle contractions or spasms, often due to a medical condition or strong emotion.

1. Involuntary muscle contractionB2formalmedical

   To suffer violent involuntary contractions of the muscles, often due to illness or shock.

   抽搐

   • The patient began to convulse during the seizure.
   • He convulsed violently after the electric shock.
   • The child convulsed with fever.

   同义词jerkshakeshudderspasmthrashtwitch

2. Shake violentlyB2formal

   To cause something to shake or move uncontrollably.

   使剧烈震动

   • The explosion convulsed the entire building.
   • The earthquake convulsed the ground beneath their feet.
   • Laughter convulsed her body as she heard the joke.

   同义词agitatejerkquakequivershakeshudderspasmthrashtrembletwitch

   反义词calmsettlesteady

3. Laugh uncontrollablyB2informal

   To be seized with uncontrollable laughter.

   笑到不能自已

   • The audience convulsed with laughter at the comedian's joke.
   • She convulsed in giggles when she saw the funny video.
   • He was convulsing with mirth after hearing the punchline.

   同义词crack up