trick of the imagination

例句：

1. 1. He played a trick on his friend by giving him a fake present.
   他给朋友一个假礼物，戏弄了他。
2. 2. The thief used a trick to steal the money from the safe.
   小偷用一个伎俩从保险柜里偷了钱。
3. 3. The teacher used a trick to make the class more interesting.
   老师用一个办法让课堂更有趣。