He's a good amateur, but playing basketball at the professional level is an entirely different ball of wax. [=an entirely different thing]他是一名优秀的业余选手，不过打职业篮球完全是另一回事。
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:a collection of items or objects一批货品；一堆东西
He won the car, the furniture, and the tropical vacation—the whole ball of wax! [=everything]他赢得了汽车、家具和热带度假的机会——所有的一切