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1·This is Brady Coyne, said Sam, jerking his head in my direction.

“这是布雷迪·科因”，萨姆说，他的头朝我这边甩了一下。《柯林斯英汉双解大词典》

2·Make sure that you execute all movements smoothly and without jerking.

确保你流畅、无颤动地完成所有动作。《柯林斯英汉双解大词典》

3·I go to give him a kiss—just a peck—and he veers off, jerking his head out of the way like a nervous racehorse.

我走过去要给他一个吻，只是匆匆一吻，而他却转身走开了，像匹紧张的赛马似的把头扭到一边。

4·No, she cried vehemently, jerking away.

没有！“她猛地把头扭开，激怒地大叫了。

5·Used when jerking motion is needed in mechanical industry.

机械工业中，需要产生冲击运动的场合。

6·How many touching stories, the number of tear-jerking family.

有多少个感人肺腑的故事，有多少个催人泪下的亲情。

7·The aircraft was bumping up and down and jerking left to right.

我们的机舱忽上忽下，左右摇晃。

8·False commercial advertisements are jerking the consumers around.

虚假广告在忽悠消费者。

9·Do you keep your bed partner awake with the jerking movements of your legs?

你是否因为你脚的抽搐导致同床共枕之人无法安眠？

10·This engine also tends to create a jerking or bucking problem at very high speeds.

之间，这台发动机还会创造一个位移或沉默以很高的速度问题。

(1)clean and jerk挺举

(1)knee jerk[医]膝反射