You're being very scrupulous, but to what end?

你表现得很讲良心，但目的是什么呢？

《柯林斯英汉双解大词典》

And to what end?

会达到什么目标呢？

youdao

Woe unto you that desire the day of the LORD! To what end is it for you?

想望耶和华日子来到的有祸了。

youdao

He decided to tie one end of the road to what remained of a tree in the ground.

VOA: special.2009.01.24

So we have to assume that the occasion for this poem is some kind of question posed by John Milton, Sr., a question like, "To what end am I supporting you, Son?

我们可以假定这个诗的起因是,老约翰弥尔顿问小弥尔顿，“我到底为什么要资助你，儿子？“

耶鲁公开课 - 弥尔顿课程节选

So, if we hybridize just these three orbitals, what we're going to end up with is our s p 2 hybrid orbitals.

我们会看到现在有3个未配对的电子，可以成键。

麻省理工公开课 - 化学原理课程节选

Once again U.S. forces have performed their missions impressively - but, to what end?

CENTERFORSECURITYPOLICY: Obama's next war

Some groups have explicit instructions on what needs to be done, to what end, and what will be produced.

FORBES: Social Business Isn't About Collaborating Versus Competing But Performing Work

Banks have taken much of the cream of the scientific talent in America and Europe, and to what end?

ECONOMIST: A mighty crash