mindmap root((加强)) intensify implies a deepening or strenghening of a thing or of its characteristic quality: police ~ied their investigation. aggravate implies an increasing in gravity or seriousness of something already bad or undesirable: the problem has been ~d by neglect. heighten suggests a lifting above the ordinary or accoustomed: special effects ~ed the sense of terror. enhance implies a raising or strengthing above the normal of such qualities as desirability, value, or attractiveness: shrubbery ~d the grounds of the estate.