mindmap root((猛拽)) jerk stresses suddenness and abruptness and is likely to imply a movement both graceless and forceful: gave the dog's leash a quick ~. snap implies a sharp quick action abruptly terminated, as in biting, seizing, locking, or breaking suddenly: the crododile ~ped at the child but missed. twitch applies to a light, sudden, and sometimes spasmodic movement that usually combines tugging and jerking: the sleeping cat, its body ~ing as it dreamt. yank implies a quick and heavy tugging and pulling: ~ed the bedclothes over his head.