Sentence examples for challenging if not impossible from inspiring English sources

Such weighting would be challenging if not impossible because recalls cover a wide range of model years.

Manually assessing a field activity to identify the ergonomic risks is not trivial and often requires extra effort which may render it to be challenging if not impossible.

It turns out it's challenging if not impossible to get commercial insurance when you're 16 years old and a new license holder yourself.

Managing extraordinarily creative people is challenging if not impossible.

Phosphorylation of IRE1α and PERK has been challenging, if not impossible, to detect under physiological conditions.

In many countries, however, linking health surveys with administrative data is challenging if not impossible [ 3].

Noting the vast expanses of Iran's Sistan and Baluchestan Province, Mr. Husseinbor went on to say that "it would be a formidable challenge, if not impossible, for the Iranian government to protect such long distances and secure Chabahar in the face of widespread Baluch opposition, particularly if this opposition is supported by Iran's regional adversaries and world powers".

This limitation is very difficult to avoid in clinical practice because restricting selection of RA patients to those of the same age but with different RA stages represents a real, if not impossible, challenge.

And it poses a number of logistical challenges, since it will be difficult if not impossible to separate people who developed cancer as a result of ground zero from those who would have gotten the disease anyway, and because many cancer diagnoses are likely to be made years after the deadline for applying for compensation passes in 2016.

But Green said: "The real world of the markets is shot through with imperfections that we will never completely expunge – because we as individuals are similarly prone to failure – because the dilemmas and challenges are real, significant and hard, if not impossible, to avoid".

Tackling complex challenges in an organization is difficult, if not impossible, when part of the organization is immune to stated values, goals and guiding principles.