And are there any specific design elements that you're particularly proud of, anything that was particularly hard to solve for?

有没有什么特别设计元素让你觉得特别自豪，和让你觉得特别难解决？

It has been an extraordinarily difficult thing to fix.

这是一件极其难解决事情。

And it actually is really, really great and has lots of really hard problems.

而且它实际上常棒，有很多常难解决问题。

But I think that's going to be a very, very difficult solution.

但我想那将是一个常常难解决方案。

Yes, this is not a hard problem to solve.

是，这并不是一个难解决问题。

You say hello, you small-talk if you see them in the yard, you discuss problems as they arise and you help each other in an emergency.

有时在院子里见到他们就与他们打招呼，短暂聊天，与他们讨论难解决事情，需要时互助。

Is there something you could speak to, what was very hard to solve, and what are some beautiful aspects about the solution?

有没有什么问题是常难解决，以及解决方案中有哪些美妙之处？

That's obviously the harder nut to crack, but I think it actually helps inform how we think about safety more more broadly.

这显然是更难解决问题，但我觉得它实际上有助于我们更全面地思考安全问题。

" We're making gains in the easy stuff and we're seeing the more difficult stuff, which is the outdoor industrial air pollution and chemical pollution, still going up."

“我们在容易解决问题上取得了进展，但我们也看到了更难解决问题，即户外工业空气污染和化学污染，仍在加剧。”

I think it's a really hard problem to solve, but whoever solves the humanoid robot problem are gonna have to solve the social robotics problem.

我认为这是一个常难解决问题，但无论谁解决了人形机器人问题， 都必将解决社交机器人问题。

" To rack (rack) your brain" means to spend a lot of time thinking about something, especially something that's very difficult – a problem that's very difficult to solve.

“绞尽脑汁” 意味着花很多时间思考某件事， 特别是常难解决问题。

Google said it would improve its smartphone cameras handling of black and brown skin, But in language, the solutions are less obvious even among people who agree on the problem

谷歌表示会改进其智能手机机对黑皮肤和棕色皮肤处理，但在语言方面，即使是对问题达成一致人也很难找到明确解决方案。

And then we discussed the word thorny. A tree or bush with thorns is difficult to touch and handle and similarly a thorny issue is a subject that is difficult to deal with and discuss.

然后我们讨论了" thorny" 。一个有刺树或者灌木很难触碰，而且似是，一个棘手问题是很难解决和讨论话题。

" To have your work cut out for you" means to be required to complete something that is going to be very difficult;you have a very difficult task, a very difficult problem to solve.

“有得忙了” 意味着你需要完成一项常困难任务； 你有一个常难解决问题。