You talk about the need for appropriate simplicity and how hard it is to achieve.

你谈到需要合适的简化和实现它的困难程度。

youdao

But at the root of it all is love, that most absurd and precious thing, and how hard it is to make it stay.

但是一切的根源在于爱——这个最为荒谬却无上珍贵的东西，也在于挽留爱情的艰辛。

youdao

Have you noticed, in public buildings, how easy it is to find the escalator or elevators and how hard it is to find the staircase?

你是否注意到，在公共建筑中，电梯或升降机很显眼，但楼梯却很隐蔽？

youdao

Senator Kerry said the package is intended to be a true sign of friendship for Pakistan, while spokesman Crowley said it creates balance in the U.S.aid program and that it is hard to see how that impedes Pakistan's military.

VOA: standard.2009.10.13

The end is hard and it's going to be hard, no matter how you come to it.

结束很难，并且一定会很难，无论你打算怎样结束。

耶鲁公开课 - 现代诗歌课程节选

And the question that preoccupies developmental psychologists is how do we come to have this knowledge, and in particular, how much of it is hard-wired, built-in, innate.

发展心理学家们所关心的问题,就是我们如何获得这些知识的,特别是,这其中有多少是固有的,内在的,天生的

耶鲁公开课 - 心理学导论课程节选

Think about what brand experiences customers are weaned on and how hard it is to get off.

FORBES: How To Build An Unforgettable Technology Brand

He wants to win, but he really knows the business and how hard it is to win the Kentucky Derby.

NPR: Louisville Coach Chasing Derby Win As A Co-Owner

There has been much discussion about high correlations in the past few years and how hard it is to find distinct returns.

FORBES: Sector Investing Much Smarter Than Trying To Guess What's Growth And Value