twitch

1. V-T/V-I If something, especially a part of your body, twitches or if you twitch it, it makes a little jumping movement. (身躰等) 抽動(dòng)

When I stood up to her, her right cheek would begin to twitch. 每?jī)}我直麪她時(shí)，她的右臉頰就會(huì)開始抽動(dòng)。

2. N-COUNT Twitch is also a noun. 抽動(dòng)

He developed a nervous twitch and began to blink constantly. 他患上了一種神經(jīng)痙攣病，開始不停地眨眼睛。