“Jerk'’在俚语中是个贬义词,意思根据不同场合,可理解为“感情用事”、“头脑简单”、“笨蛋”...“Jerk”是口语中常用的词,意思是“笨人、蠢人、傻人、怪人”等。也可以用来说自己。jerkaquick,sharp,suddenmovement急动；急拉；急扭；急推hegaveasuddenjerkofhishead.他的头突然猛地一动。■aspasmodicmusculartwitch肌肉抽搐■[insing.](Weightlifting)theraisingofabarbellabovetheheadfromshoulderlevelbyanabruptstraighteningofthearmsandlegs,typicallyasthesecondpartofacleanandjerk(举重)挺举(informal,chieflyN.Amer)acontemptiblyfoolishperson(非正式，主北美)蠢人，头脑简单的人，傻瓜verb[withobj.andadverbial]make(some-thing)movewithajerk使猝然一动shejerkedherchinup.她突然抬起下巴。■[noobj.,withadverbialofdirec-tion]movewithajerk猝然一动，猛地一动hisheadjerkedround.她的头猛地转了过来。thevanjerkedforward.货车猛地向前冲。■suddenlyrouseorjolt(someone)惊醒，颠簸thethudjerkedherbacktoreality.砰的一声使她一下子回到现实中。