It's so difficult, so complicated, or so maybe embarrassing, I don't know, but philosophers have ignored it. But that for me that was the big challenge and I hope you feel that way too.

这是如此艰难，如此复杂，所以也许尴尬，我不知道，但哲学家们忽视了它，但是这对我来说，是大挑战，我希望你们也这么认为。

youdao

Of course some people have a natural fluency in these areas, and it is a challenge for those who don't. Which takes me to...

当然某些人在这方面更具天赋，对天赋欠缺的人来讲会更有挑战性。

youdao

Don't use your life to challenge my driving skills, you can't afford to hurt me.

不要用你的生命来挑战我的驾驶技术，你伤不起。

youdao

"Cyprus island is not for sale and the Cypriot people have dignity and don't challenge me with such questions, " he replied.

BBC: Cyprus not for sale, president says after bailout talks

On a psychological level, this triggers many "want to be alpha males" in society to constantly challenge me, which only makes it worse as I don't take anything from anybody.

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