give repeated instructions

• 三令五申

give repeated instructions的用法和样例：

例句

1. All of you must know that the repeated injunctions must be obeyed.
   你们必须都知道，三令五申的法令要遵守。
2. The government has given repeated orders that drivers must not use mobile phones while driving.
   政府三令五申司机不能在开车时打手机。