There are many who will work hard to achieve these goals.

有很多人会努力工作来实现这些目标。

《柯林斯英汉双解大词典》

Big goals are hard to achieve.

远大的目标总是难以实现。

youdao

Never complain and always work hard to achieve your dreams.

永远不要抱怨，一直努力去实现你的梦想。

youdao

I think so. But video phone has been very hard to achieve. It's either been to be expensive, or too crowded, or can we use the internet to finally introduce video phone and this is different from video on-demand.

我也这么认为，但视频电话要成功很困难,它要么很贵，要么很拥堵，或者我们是否可以使用互联网引入视频电话,这与随需视频是不同的。

麻省理工公开课 - 媒体、教育、市场课程节选

The workplace identities that these employees have worked so hard to achieve are suddenly questioned.

FORBES: Workplace Identity Crisis: Are Labels Good or Bad?

In practice, this could be hard to achieve, but he has identified one principle.

ECONOMIST: The credit crunch

Moreover, when you put that many independent-thinking, heads-of-state in one room, consensus is hard to achieve.

FORBES: The Big Four Global Economies