catharsis
noun [uncountable, countable] (specialist)the process of releasing strong feelings, for example through plays or other artistic activities, as a way of providing relief from anger, mental pain, etc. 宣洩，淨化（如通過戲劇或其他藝術活動） Word Originearly 19th cent. in the sense purification: from Greek katharsis, from kathairein ‘cleanse’, from katharos ‘pure’. The notion of “release” through drama derives from Aristotle's Poetics.