raffish
adjective old-fashioned uk/ˈræf.ɪʃ/ us/ˈræf.ɪʃ/
（尤指以随便但很有魅力的方式表现出行为或外表）落拓不羁的，不修边幅的，随意洒脱的
not following usual social standards of behaviour or appearance, especially in a careless and attractive way
He has a certain raffish elegance. 他有一种落拓不羁的洒脱风度。