This is probably a bad idea, but what the hey!

这大概是个馊主意，但管它呢！

《牛津词典》

Then, what the hey, his wife comes in and talks him into giving up the oil spill's secret vulnerability before he falls to his death.

这时，嘿，神了，他的妻子进来了，劝他在摔死之前把漏油不为人知的弱点说出来。

youdao

Hey, what the heck is going on?

嗨，究竟发生了什么事？

youdao

It may be the case that he can go to the peoples of Europe and say, 'Hey,this is what we need,'".

VOA: standard.2009.03.31

To find the force, what you will do is, suppose somebody says, "Hey, I've got a new force.

为了找出这些力,你们要做的是,假设有人说,"嘿,我发现了一种力

耶鲁公开课 - 基础物理课程节选

And so I thought, hey, what if you sold the product directly to the customer.

我想，嘿，将产品直接卖给消费者怎么样。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

What the hey, it's New Year's, right?

NPR: Excerpt: 'The Assassins Gallery'

Hey, what are the couple of local races or ballot initiatives you think will have national implications?

NPR: It's Election Day in San Francisco

That hey-what-the-hell casualness extends to Tweedy, whose tendency to start each of his singer-songwriter meditations with the same "Dust in the Wind" chord progression is almost confrontationally laid back.

CNN: Review: Wilco's 'The Whole Love'