monkey business

mischievous or dishonest activity or behaviour 胡闹; 骗人的把戏; 恶作剧: There's been some monkey business going on here! 有人在这里搞鬼!

money-bags, money-box, money-changer, money-grubber, money-grubbing, money-lender, money-maker, money-making, money-market, money-spinner, moneyed, moneyless, monger, mongol, mongolism, mongoose, mongrel, monitor, monk, monkey, monkey-nut, monkey-puzzle, monkey-wrench, monkish, mono, monochromatic, monochrome, monocle, monocotyledon, monogamous, monogamy, monogram, monogrammed, monograph, monolingual, monolith, monolithic, monologue (US also monolog), monomania, monomaniac,