They have thrown up a barrier behind us, and it is armed already.
"The Martins Of Cro' Martin, Vol. II (of II)"
Charles James Lever
He had even a feeling of impatience with her, a thought that she had cheated him, that she had chosen to hide her real self from him, and to reveal it cruelly at the moment when Fate put an insurmountable barrier between them.
"The Locusts' Years"
Mary Helen Fee
A way would have to be cut into this barrier of icebergs for about a mile.
"My Attainment of the Pole"
Frederick A. Cook