tic
noun /tɪk/
/tɪk/
- a sudden, quick movement of a muscle, especially in your face or head, that you cannot control
(尤指面部或头部肌肉的)抽搐 - a nervous tic
神经抽搐 - There was a persistent tic in her left cheek.
她左脸颊一直抽搐。
词源early 19th cent.: from French, from Italian ticchio. - a nervous tic