paroxysm

1. N-COUNT A paroxysm of emotion is a sudden, very strong occurrence of it. 突然爆发[usu N 'of' n]

He exploded in a paroxysm of rage. 他突然勃然大怒。

2. N-COUNT A paroxysm is a series of sudden, violent, uncontrollable movements that your body makes because you are coughing, laughing, or in great pain. 身体震颤[usu N 'of' n/-ing]

He broke into a paroxysm of coughing. 他一阵猛咳，身体剧烈颤动。