V-ERG
（向某个方向）急拉，猛推；（使）猝然一动
If you jerk something or someone in a particular direction, or they jerk in a particular direction, they move a short distance very suddenly and quickly.
例句
Mr Griffin jerked forward in his chair...
格里芬先生坐在椅子上猛地向前一凑。
The car jerked to a halt...
车猛地停住了。