Commercial fraud is a scourge that is difficult to prevent and detect.
A massive attack can now be cheap, quick and difficult to prevent.
It is difficult to prevent such acts from occurring.
On-line gambling also makes it far more difficult to prevent minors from gambling.
The challenge, though, is that some of these things are difficult to prevent.
Faced with such different behaviors, it can be difficult to prevent an infestation.
Some of these conflicts have proved difficult to prevent, manage or resolve.
Certains de ces conflits sont difficiles à prévenir, gérer ou résoudre.
Because once a vineyard is affected, it is very difficult to prevent contamination.
Car si une parcelle est touchée, il est très difficile d'empêcher la contamination.
Emerging infections among travellers are difficult to prevent
Il est difficile de prévenir les infections émergentes chez les voyageurs
This problem is difficult to prevent because available memory fluctuates on busy production servers.
Ce problème est difficile d'empêcher, car la mémoire disponible fluctue sur les serveurs de production occupé.
It's more difficult to prevent damage with a large, heavy object with an awkward shape.
Il est plus difficile de prévenir les dommages avec un objet lourd et de forme inhabituelle.
This issue is growing and even more difficult to prevent in patients who are losing autonomy.
Cette problématique est encore plus présente et difficile à prévenir chez les personnes âgées en perte d'autonomie.
Unfortunately, it would probably be difficult to prevent the grains from entering the atmosphere at this time.
Malheureusement il serait probablement difficile d'empêcher les grains de rentrer dans l'atmosphère à ce moment.