It is not difficult to understand how this idea has come up.
It is difficult to understand how the federal government finds this acceptable.
I find it difficult to understand how it would be possible.
But I find it difficult to understand how this sort of thing can be going on.
It is more difficult to understand how thought physically exists.
Il est plus difficile de comprendre comment la pensée existe physiquement.
It is sometimes difficult to understand how things work.
Il est parfois difficile de comprendre comment cela fonctionne.
But it is very difficult to understand how this new dictatorship would be imposed.
Mais il est très difficile de comprendre comment cette nouvelle dictature serait imposée.
Otherwise it is too difficult to understand how a lesion might affect function.
Sans cela, il est trop difficile de comprendre comment une lésion peut affecter la fonction.
The second point is that it really is difficult to understand how it will actually work.
Deuxièmement, il est vraiment difficile de comprendre comment les choses vont fonctionner.
Incidentally, it is difficult to understand how this government plans its budgets.
D'ailleurs, il est difficile de comprendre comment ce gouvernement planifie ses budgets.
Was it difficult to understand how to register your design?
Vous a-t-il été difficile de comprendre comment faire enregistrer votre modèle?
But, first of all it is difficult to understand how you can use these powers.
Mais au début il est difficile de comprendre comment vous pouvez utiliser ces pouvoirs.
It is so difficult to understand how the vector of time works in this reality.
Il est tellement difficile de comprendre comment le vecteur temps fonctionne dans cette réalité.