And use apostrophes properly once and for all.

从此以后，正确使用省字符。

This complex fortifications was made to stop the German enemy once and for all.

这座防御工事构建原意是要一劳永逸阻止敌方德国。

So, once and for all, are video games bad for you?

那么，电子游戏有害处吗？

Well, let's settle it once and for all by answering today's quiz question.

吧，让我回答今天问题来马上解决。

Are we about to break up with the plastic straw once and for all?

我要彻底告别塑料吸管了吗？

And I'll prove it once and for all.

我给你个一劳永逸证瞧瞧。

And find an answer to this extremely important scientific problem, once and for all.

彻底地找到这个极其重要科学问题答案。

Once and for all, would you like to do the honours?

一劳永逸，你愿意做这个荣誉吗？

Alright, let's settle this once and for all.

，我把这个问题说清楚吧。

So can I purge the mind of anger once and for all?

那么，我能否一劳永逸地清除心中愤怒？

So can I purge the mind of fear, once and for all?

那么，我能否一劳永逸地清除心中恐惧？

Once and for all, so we can stop selling it.

一劳永逸，这样我就能停止出售了。

But one more question to settle it once and for all.

但还有最后一个问题。

And then once and for all he drills the hole and puts in the hook.

然后他钻洞挂钩一气呵成。

Seal the breach more effectively to bring the temperature down once and for all.

以更有效方式封住裂缝 一劳永逸地降低温度。

And their hope is, obviously, to end this conflict once and for all.

显然，他希望彻底结束这场冲突。

We need to be sure Samaritan is destroyed once and for all.

我必须要确保将撒马利亚人彻底摧残。

Let's just put this to bed once and for all.

那就把事一次性说清楚吧。

He called this a once and for all decision.

他称这是不可改变决定。

Bradford will realize once and for all what a dolt his son is.

Bradford终于将会白 他儿子是个蠢货。