Anybody inside would be able to guard the entrance with a single weapon.

The massive man who guarded the entrance opened the door to let the three of them out.

The others split up into pairs to guard the entrance.

My driver and I will guard the front entrance until you return.

I was guarding the entrance at the time of their arrival.

This meant that no one was guarding the secret entrance!

There were five other officers in the apartment but no one guarding the entrance.

There is no figure of the Mother guarding the entrance.

Rocks guarded the entrance, but once inside we were safe from wind and sea.

They always guarded the entrance to the hive, with their lives if necessary.