bray a fool in a mortar

例句：

1. 1. The thief brayed loudly as he escaped the police.
   这个小偷逃跑时大声叫唤。
2. 2.The dog brayed at the moon.
   狗对着月亮吠叫。
3. 3. The farmer brayed his donkey to get it to move faster.
   农民吆喝着驴子让它快些走。