Pitchers have ears

• 隔墙有耳

Pitchers have ears的用法和样例：

例句

1. Fields have eyes, and woods have ears.
   隔墙有耳。
2. He knows that walls have ears and that ill deeds rebound back.
   他知道隔墙有耳的道理，凡是做得不好的事总会传开去。