It is hard to justify itself, we need to depend on intuition and metaphysics, maybe guess also.

还得依靠神断和“玄学”，或者依靠猜测。

youdao

This was a rare opportunity for Britain's beleaguered secret state to justify itself, and tell its side of the story.

对这个饱受批评的英国秘密机构而言，此乃验明正身﹑声张己见的难得良机。

youdao

But my happiness should justify existence itself!

可是我的幸福正应当证明存在本身的正当性！

youdao

More than anything, Nationalism counts on a common tongue in order to justify itself.

FORBES: How Google Chrome Translate Changes Us

In Britain, the government need not justify itself at all.

ECONOMIST: MI5

The prospect of hearing the Argentinian's comments on the lecture by the German with whom I had corresponded, but whom I did not know personally, was enough in itself to justify the price of the air fare to Buenos Aires (paid for on credit).

NPR: Excerpt: 'Borges and the Eternal Orangutans'