旁若无人: act as if there was no one else present -- self-assured or supercilious; act as if no one was nearby -- an unwarranted assumption of airs; act or talk in a supercilious manner; as if nobod
纵情: to one's heart's content; as much as one likes 短语和例子纵情歌唱 sing heartily; 纵情诗酒 give one's mind to poems and grant indulgence to wine; 纵情游乐 be on the spree
纵情欢乐: be on the loose or on the spree; have one's fling; revel to one's heart's content