嘻皮笑脸的反义词：一本正经、不苟言笑、道貌岸然 嘻皮笑脸的近义词： 油腔滑调、喜笑颜开、油头滑脑、插科打诨、油嘴滑舌、嬉笑怒骂、笑逐颜开、玩世不恭、嘻嘻哈哈 嘻皮笑...