Sentence examples for it are often difficult from inspiring English sources

Even deployed black women in the Army who decide to straighten their hair run into problems, because the expensive hair products necessary to maintain it are often difficult to get, particularly in commissaries in Afghanistan.

However, it is often difficult for surgeons to delineate the tumor beyond its visible boundary.

It is often difficult to say.

It's often difficult to gauge medical prognoses and health.

First, it is often difficult to set appropriate support threshold.

It is often difficult to diagnose and treat.

It is often difficult to discern whether Blatter is serious.

It was often difficult to know where his allegiances lay.

Before then, it was often difficult to find I.C.U.

However, it is often difficult to distinguish different plasma populations in high altitudes.

Because of the numerous species and reactions, it is often difficult to choose a correct description.