词典释义：
a quick, sharp, sudden movement
急动；急拉；急扭；急推
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he gave a sudden jerk of his head .他的头突然猛地一动。
a spasmodic muscular twitch
肌肉抽搐。
[in sing.]
【举重】 挺举。
〈非 正式，主北美〉 蠢人，头脑简单的人，傻瓜。
make (something) move with a jerk
使猝然一动
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she jerked her chin up .她突然抬起下巴。
[no obj., with adverbial of direction]move with a jerk
猝然一动，猛地一动
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his head jerked round 她的头猛地转了过来
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the van jerked forward .货车猛地向前冲。
suddenly rouse or jolt (someone)
惊醒，颠簸
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the thud jerked her back to reality .砰的一声使她一下子回到现实中。
[with obj.]
【举 重】 挺举过头。
cure (meat) by cutting it into strips and drying it (originally in the sun)
制肉干。
[usu. as adj.
（用调料浸泡及用木柴火烤）烹饪（猪肉，鸡肉） 。
pork or chicken cooked in this way
（猪或鸡肉）肉干制品
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fiery Jamaican jerk 辣味牙买加肉干
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[as modifier]
jerk chicken .鸡肉干。
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jerk someone around N .Amer .informal deal with someone dishonestly or unfairly 〈北美，非正式〉 不诚实（或不公平）地对待（某人） -
jerk off vulgar slang ,chiefly N .Amer . masturbate 〈粗俚，主北美〉 手淫
" mid 16th cent. （denoting a stroke with a whip）： probably imitative. early 18th cent.: from Latin American Spanish
