There were simply too many people to hold back, and all the police could do was prevent them from entering the building itself.

However, I will do whatever it takes to prevent arms from entering this.

His wife had tried and failed to prevent him from entering the water.

He knew his father's code would prevent him from entering.

Nor can he or his police force prevent workers from entering the village.

A problem prevents light from entering the eye for a long period of time.

Critics say the new policy will prevent thousands of students from entering college.

The police did not prevent people from entering the grounds.

While low literacy rate prevent them from entering into government services.

But nothing can prevent people from entering when someone exits, as they do all the time.