it is difficult to do释义：
难以（做）...
很难（做）...
例句：
Everything else that we accomplished stems from achieving that partnership, because if you don't have a customer who perceives you as valuable, then it is difficult to do the things you want to do.
所有其它我们获得的成功都来自于那种伙伴关系的实现，因为如果一旦你没有认为你很有价值的客户，那么你就很难做到你想做的事情。
it difficul to do释义：
这很难做到
例句：
I find/feel/think it difficult to do…
我发现/感到/认为做某事很难。
