It may be difficult to do at first. Don't let this discourage you.

开始时做起来也许比较困难。不要让这个泄你的气。

《柯林斯英汉双解大词典》

When someone has deeply hurt you, it can be extremely difficult to let go of your grudge.

当你被深深伤害的时候，想要不怀恨在心是很难做到的。

youdao

When love is gone, it may be difficult to let it go, especially for such an impressive and sacrificing love.

当爱已不再，学会放手，也许很难，特别是这样一段刻骨铭心、血脉交融，曾经让人不计代价地付出过的爱情。

youdao

Let it be difficult. Don't homogenize it all.

充满困难，不要单一化。

耶鲁公开课 - 旧约导论课程节选

In fact, if you look at Amazon or Google, a piece of information actually exists in multiple locations around the world, so it would be difficult to even identify where that information is, let alone go after it.

NPR: Will 'Cloud Computing' Work In White House?

Any time people devote themselves to something it can be difficult for them to step aside and let a new team in.

FORBES: Connect

Either way, it will be difficult for the government to push for criminal charges when the SEC let Goldman go without admitting or denying wrongdoing.

FORBES: Goldman Sachs Subpoena Doesn't Mean Much...Yet