1. He swung the racket and hit the ball towards the net.(他挥动球拍,把球击向网。)
2. The construction noise outside created a racket that made it hard to concentrate.(外面的施工噪音神经过敏, 很难集中精力。)
3. The police caught a group of people involved in a smuggling racket.(警察逮捕了一群从事走私的人。)
4. They were accused of running a gambling racket in the city.(他们被指控在城市里经营赌博活动。)