bliss(sb)out
—phrasal verbwithblissverbuk/blɪs/us/blɪs/
informaltobecome, or to make someone,completelyhappyandrelaxed
（使）飘飘欲仙，（使）极乐无忧
toblissoutonmusic通过音乐达到极乐
I like to go off on my own - tositback andblissout in adarkenedmovietheater.我喜欢独自外出——舒服地坐在漆黑的电影院里，乐在其中。