I have been killing it here for the better part of a decade.

但近十年内 我已经破坏了这条准则。

It might change our lives for the better.

这或许会让我们的生活往好的方面发展。

Good. That's a change for the better.

太好了。情况已经好转了。

So things have really changed for the better.

所以吸烟的状况日渐好转。

We may even change our brains for the better.

我们甚至可以改良我们的大脑。

" It certainly changed you, and not for the better" .

" 至少它改变了你的心志——而且不是向好的方面！"

You look how things have changed for the better.

你看见了这一切是如何变得更好的。

" Maybe, " I thought, " it just might change me for the better" .

" 也许，" 我想，" 这里能让我变得更好。"

Perhaps that was for the better.

也许那样会更好。

I do believe I have been changed for the better?

我相信自己已变得比以前更好？