fall on deaf ears

例句：

1. 1. The advicewas so obvious that it fell on deaf ears.
   这个建议太明显了，根本听不进去。
2. 2. She tried to explain herplan, but he just fell on deaf ears.
   她试图解释她的计划，但他根本不听。
3. 3. The speaker's words fellon deaf ears, leaving the audiencein confusion.
   演讲者的话没人听，观众都感到困惑。