While this is possible to do well, it is very difficult, and most teams do not succeed.

虽然也有可能做好，但是非常困难，而且大部分团队都不能成功。

youdao

While I did enjoy the training on most days, sometimes it was a little difficult to get motivated because I live on a very small island and did not have the luxury of a coach or any training partners.

大多数时候我很享受这种训练，但有时候还是会觉得有点缺乏动力，因为我住在一个小岛上，在这里我不敢奢望拥有一位教练或者训练搭档来激励我。

youdao

In order to be eligible to play it was necessary for him to keep up in his studies, a very difficult matter, for while he was not dumber than an ox he was not any smarter.

要获得打球的资格，他的学习就必须跟上趟，这可是一件极其困难的事情，因为他虽说并不必公牛苯，却也聪明不到哪里去。

youdao

While these laws are not retroactive, it can be very difficult to find the right documentation to prove a certain piece made its way out of the source country before the law took effect.

FORBES: Collectors Guide

Being unfocused, on the other hand, while very difficult to do, offers the greatest chance to go for the brass ring of not just being an industry leaders, but the industry platform.

FORBES: And the Winner is, Who?!

While it is not inconceivable that the bigger teams can succeed in making this gain, it's very difficult to conceive that they could leapfrog and pull away from a car with such a head-start.

BBC: Brawn set to dominate F1