mindmap root((发作)) fit sometimes designates a sudden seizure or period of increased activity characteristic of a disease: fell unconscious in a ~; or sometimes refers to a temporary sudden or violent mood or period of activity: works by ~s and starts. attack implies a sudden and often violent onslaught but connotes nothing about length or duration: an ~ of melancholy. access, accession distinctively imply the initiation of an attack or fit: an ~ of sudden rage; or the intensification of a mood or state of mind to the point where control is lost or nearly lost: driven mad by an ~ of guilt. paroxysm refers to the sudden occurrence or intensification of a symptom or a state and to its recurrence: ~s of fear. spasm connotes sudden involuntary muscular contractions: suffered from ~s of his back muscles; or possession by some emotion or state that momentarily grips and paralyzes: seized by ~s of fear. convulsion suggests repeated spasms that alternately contract and relax the muscles and produce violent contortions and distortions: a face distorted by ~s of unsuppressed anger.