juddered怎么读？

The lift started off, juddered, and went out of action.电梯开动了，接着剧烈震颤起来，然后就毫无反应了。He slammed on the brakes and the car juddered to a halt.他猛踩刹车，汽车在剧烈震动中停下来。...

v.颤抖( judder的过去式和过去分词 )...