释义
n. (口语)笨蛋,性情古怪的人,急拉,肌肉抽搐 v. 痉挛,急拉,急推,急动
例句
1. The knife was stuck but she pulled it out with a jerk. 那把刀子被卡住了，她猛地一拔，把它拔了出来。 2. The bus jerked to a stop. 公共汽车猛然刹车停住了。