1·I need to have it out with her once and for all.
我有必要跟她公开彻底地把话说清楚。
—— 《牛津词典》
2·This was payback time. I've proved once and for all I can become champion.
这是回报之时。我已经一劳永逸地证明我能成为冠军。
—— 《柯林斯英汉双解大词典》
3·All that was needed was one final push, and the enemy would be vanquished once and for all.
只需要最后一次挺进，敌军就将被彻底击败。
—— 《柯林斯英汉双解大词典》
4·You are the key to your own happiness, so go ahead, unlock it once and for all.
你是自己快乐的钥匙，因此，往前走，一劳永逸地打开它。
5·We need to settle this once and for all.
我们需要把这事一次解决。
—— 《牛津词典》
6·We have to resolve this matter once and for all.
我们必须彻底解决这件事情。
—— 《柯林斯英汉双解大词典》
7·Success in this heartland will be another milestone in building confidence that malaria can be defeated, once and for all.
在这个中心地带的成功将是我们又一次建立信心的里程碑，即疟疾是可以被打败的，而且可一劳永逸。
8·Cease you feel guilt once and for all!
一次又一次减轻罪恶感。
9·Let's dispose of this matter once and for all.
让我们永远解决这件事情吧。
10·Pakistani leaders must choose once and for all.
巴基斯坦领导人必须坚定地作出选择。