It is difficult to assess how popular the shows are.
It's difficult to assess how effective this was.
It is difficult to assess how effective the administration's new campaign will be in slowing Hamas.
It is difficult to assess how travelers truly feel about airport security.
Ultimately, it is very difficult to assess how extensive corruption might be.
However, Goldman warned that "it is difficult to assess how much faith one should have in these predictions".
Because Islamic finance master's degree programs were developed quite recently, it is difficult to assess how successful their graduates are.
Because all three operate in secret, it is difficult to assess how serious they are or whether their assertions are realistic.
Wilks said it was difficult to assess how much money the defendant made from his drug deals given Bitcoin's continued fluctuation.
Amyas Morse, the auditor general, said the tactics were making it difficult to assess how well the department was managing projects.
The practice of bearing extra weapons, being of questionable legality, is mostly done surreptitiously, making it difficult to assess how extensive it is.
