once and for all

常見例句

• The full and final solution can only be found by themselves.
  完全徹底地解決辦法衹能靠他們自己去找。
• Thoroughly clean the entire house,often done only once a year.
  徹底地打掃房屋，經常是每年一次。
• Tomorrow we shall have finished with this business once for all.
  明天我們就能一勞永逸地把這事結束掉了。
• She had hoped to get rid of the girl for good and all.
  她原想一勞永逸地把這個姑娘趕走。
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