lock the barn after the horse is stolen

• 贼去关门

lock the barn after the horse is stolen的用法和样例：

例句

1. Lock the stable door when the horse is stolen.
   贼去关门。
2. The jeweller had been burgled twice in a year before he decided to install extra security devices, but it was a case of locking the stable door after the horse has bolted.
   这个珠宝商一年内被偷窃两次后才决定安装特别的保险装置，这是一个贼去关门的事例。

词汇搭配

• lock the barn door after the horse is stolen 贼去关门,为时已晚...
• lock the barn after the horse is stolen 贼去关门