tremor
noun [ C ] uk/ˈtrem.ər/ us/ˈtrem.ɚ/
（尤指因紧张或兴奋）颤抖，发抖
a slight shaking movement in a person's body, especially because of nervousness or excitement
The disease mostly affects people over 50, causing paralysis and uncontrollable tremors. 这种病主要发生在年过50的人身上，能引起瘫痪和难以自制的颤抖。
There was a slight tremor in her voice. 她的声音微微发颤。
figurative A tremor of excitement went through the audience as he came on stage. 他走上舞台时，观众兴奋得出现了一阵骚动。
轻微地震，小地震
a slight earthquake
The tremor was felt as far as 200 miles away. 这次小震200英里以外的地方都有震感。