We know it's going to be hard to solve.

我们知道它会很难求解。

youdao

A person's BMI turns out to be hard to shift in the short term.

经证明，一个人的体重指数在短期内是很难改变的。

youdao

It's going to be hard to persuade farmers away from ethanol.

要想说服农场主远离玉米乙醇行业是相当困难的。

youdao

Jack London's many stories truthfully explained just how hard it was to be a gold seeker in eighteen ninety-seven.

VOA: special.2009.02.11

For a couple of reasons. In some ways, this would be nicer, do expected cases, it's going to tell you on average how much you expect to take, but it tends to be hard to compute, because to compute that, you have to know a distribution on input.

关注最快的情况，在某种意义上来说，因为一些原因这样想挺不错的，当我们处理一个给定的问题,计算平均时间的时候,是很难计算的，因为你并不知道输入的分布情况,这些输入会是怎么样的呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

and they haven't really thought long and hard about whether they want to be a lawyer.

其实，关于将来愿不愿意当律师，他们自己也没有仔细考虑过。

拿全额奖学金 - SpeakingMax英语口语达人

We have to replace them but it's going to be hard to replace them.

BBC: SPORT | Football | My Club | Celtic | Strachan reveals Dublin may sign

And it's going to be hard to sort of recreate that spontaneity that happened.

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton

Unless the software houses alter their prices, this is going to be hard to change.

ECONOMIST: Software in Japan