jerk
[dʒɜ:rk]
vt.
猛拉;
把（牛肉）切成薄片晒干;
vt.& vi.
（使…）猝然一动[颤动];
n.
突然的拉[推，扭];
（肌肉的）痉挛，抽搐;
蠢人;
急促而猛烈的动作，猛地一拉;
例句:
-
He indicated the bedroom with a jerk of his head.
他扭头指了指卧室的方向。
来自柯林斯例句
-
He felt his head jerk reflexively.
他感到他的头反射性地动了一下。
-
Don't jerk me around, Mr Crook.
别耍我，克鲁克先生。
-
I was not knee-jerk and did not throw him out.
来自THETIMES
-
Knee-jerk rejection of new ideas is not how skeptics work.
来自SA
-
People who are knee jerk discriminatory feelings have serious issues.
来自SA
-
When she heard the news, she jerked upright in surprise.
当听到这则消息时,她惊讶得跳了起来。
来自《权威词典》
-
The truck jerked along.
卡车颠簸前进。
来自《权威词典》