jerk/ ʤəːk /

1.vt.
to jerk sth up/away/back (pull) 将某物猛地拉上/开/回

2.vi.
to jerk up/back 猛然向上/后一动

3.noun [c] 
(jolt) 急动

4.noun [inf!] 
(idiot) 呆子

the bus jerked to a halt
巴士猛地停住了
the train started with a jerk
火车颠簸着起动了
with a jerk of his head
扭动一下他的头
to give a jerk
抖了一下