Sentence examples for is really difficult to achieve from inspiring English sources

"The route that he chose to go is that when you cut weight significantly, and you have significantly improved aerodynamics, you achieve the high fuel economy that, as we've seen, is really difficult to achieve.

"Without government participation and political will to solve problems in this scale, I think it is really difficult to achieve anything," Pennanen said.

This can be really difficult to achieve financially, so every plan around family and career has to consider that in the wider perspective we want to be able to make this happen.

However, although is really difficult to know whether a patient actually takes his/her pills as prescribed, this is a key factor to achieve and maintain improvement.

It is really difficult to accept.

It is really difficult to figure out".

Sometimes it is really difficult to control such types of problems by analytical calculation procedures.

It is really difficult to optimize airfoils with this large number of co-ordinates.

In fact, it is really difficult to choose appropriate parameters for many algorithms.

It is really difficult to assess the result.

Bone metastases of urothelial cancer is really difficult to handle.