1. Monkey business – silly, mischievous or deceitful behaviour; stupid or time-wasting activity
1.胡闹,恶作剧-愚蠢、恶作剧或欺骗行为;愚蠢或浪费时间的活动
– They called me the black sheep as I didn’t want to go to the pub and play billiards with them.
他们叫我“害群之马”,因为我不想去酒吧和他们打台球。