The number of employees earning minimum wage is difficult to determine.
Often it is very difficult to determine the personal color type.
When you use substances, it's very difficult to determine.
What was the nature of this party it is difficult to determine.
It's difficult to determine the energy efficiency of refrigerators and freezers.
However, the magnitude of these impacts is difficult to determine.
Cependant, il est difficile de déterminer l'ampleur de ces effets.
It was very difficult to determine what happened in that situation.
Il a été très difficile de déterminer ce qui s'était produit.
Without a constitution, it is difficult to determine who truly holds ultimate power.
Sans constitution, il est difficile de déterminer qui détient réellement le pouvoir suprême.
It's difficult to determine the exact costs of such a strike.
Il est difficile de déterminer les coûts exacts d'un tel incident.
The causes of a dispute are in some cases difficult to determine.
Les cause d'un litige sont dans certains cas difficiles à déterminer.
It is by definition difficult to determine the extent of undeclared work.
Il est par définition difficile de déterminer l'importance du travail non déclaré.
Therefore it is difficult to determine when someone got infected.
Il est dès lors difficile de déterminer quand quelqu'un a été contaminé.
In this complex subsidy system, it is difficult to determine the true cui bono.
Dans ce système complexe de subventions, il est difficile de déterminer le véritable cui bono.