indulge in a fling at

例句：

1. 1. She indulged in afling at the party last night.
   她昨晚在派对上放纵自己。
2. 2. He indulged in his favorite hobby after work.
   下班后，他沉迷于他的爱好。
3. 3. Thecompany's CEO indulged in extravagant spending during the holiday season.
   公司CEO在假日季节放纵地花费巨资。