once and for all

同根派生

英汉例句

• The full and final solution can only be found by themselves.
  完全彻底地解决办法只能靠他们自己去找。
• Thoroughly clean the entire house,often done only once a year.
  彻底地打扫房屋，经常是每年一次。
• Tomorrow we shall have finished with this business once for all.
  明天我们就能一劳永逸地把这事结束掉了。
• She had hoped to get rid of the girl for good and all.
  她原想一劳永逸地把这个姑娘赶走。