Email. This is the hard one.

电子邮件这个很有难度。

youdao

This is a hard one to explain. But I'll try.

这是一个比较难解释的东西，但我还是尝试去解释一下。

youdao

But the road to the White House is still a hard one.

但是通往白宫之路依然充满艰辛。

youdao

The recession has hit especially hard in California, home of the world's eighth largest economy and one out of eight Americans.

VOA: special.2009.07.31

If the goal is to improve education, then one has to ask hard questions Like does a technology actually help?

假如目标是提高教育，那就要问问这样的问题,技术真的有帮助吗？

麻省理工公开课 - 媒体、教育、市场课程节选

And this is because as you start writing--saving files to your hard drive, what happens is you might save this file here, then this one, then this one, then this one, but very reasonably you might go back eventually and delete this one.

这是因为当你开始对硬盘驱动器进行读写时,你可以保存一个文件到磁盘的某处，然后再一个，再一个，又一个，最后你可能回到这,并删除这一个文件。

哈佛公开课 - 计算机科学课程节选

But in the meantime the spirit of new beginnings is a hard one to temper.

BBC: Tunisia��s vanguard hotels

Next step (and this is the hard one), get others to read it--including customers and employees.

FORBES: Growth Doesn't Just Happen--You Plan For It

This is a hard one to call, since it's a local derby where anything can happen.

BBC: SPORT | Northern Ireland | The Championship | Judge Jarlath: Who will make it?