花天酒地: lead a gay [fast] life; attend a dinner with singsong girls; be [go; live] in the world of wine and women; be [go; live] on the loose; be [go] on the racket; be [go] “on the tiles”; guzzle
寻欢作乐: pursue pleasure; (have) beer and skittles; go on the spree; indulge in merry-making; kick up one's heels; look for distractions; make merry; merry-making; on the loose; on the tiles; pleas