jerk
verb [ I or T, usually + adv/prep ] uk/dʒɜːk/ us/dʒɝːk/
（使）猝然一动;猛推;急拉
to make a short sudden movement, or to cause someone or something to do this
The car made a strange noise and then jerked to a halt. 汽车发出一声怪响，接着猛然停住了。
"What's wrong?" she asked, jerking her head up. “怎么了？”她猛地扬起头问道。
（使）突然改变行为
to (force or cause someone or something to) suddenly behave differently, usually by understanding something or becoming active again
The shock of losing his job jerked him out of his settled lifestyle. 失业的打击一下子改变了他安定的生活方式。
Phrasal verbs
jerk someone around 故意给（某人）制造困难，故意给（某人）找茬
to intentionally cause difficulty for someone
I don’t think she really likes Colten – she’s just jerking him around. 我觉得她不是真的喜欢克尔顿，她在故意给他找事。
jerk off （男人）手淫
(of a man) to masturbate
jerk
noun uk/dʒɜːk/ us/dʒɝːk/
(MOVE)
[ C ]猛的一动;急拉;急抽
a quick sudden movement
She pulled the bush out of the ground with a sharp jerk. 她猛一使劲把灌木从地里拔了出来。
The alarm went off and he woke up with a jerk. 闹钟响后他猛然惊醒。
(PERSON)
[ C ] slang (US also jerk-off)（通常指男子）蠢人，头脑简单的人
a stupid person, usually a man
You stupid jerk! You've just spilled beer all down my new shirt! 你这个笨蛋！你把啤酒全洒在我的新衬衫上了！