The flow was so great that the vessels assigned to the expedition could not safely enter for several days.

Used as a means to detain their target in order to safely enter firing range.

At last we have found a cave we may safely enter and explore.

The closing speed of the doors is adjustable so people can safely enter quickly or slowly as required.

For now, using these stones may be the only way that an outsider can safely enter our world.

She could not safely enter the gourd until night.

For all she knew, it might be the only way to safely enter the array.

Moments later, they went through the inner hatchway and safely entered the ship.

And that would give the shuttles time to enter safely.

It is large enough to take the yacht, though a much larger vessel could not safely enter.