If they retreat into the house, we will not go in after them.

She was out of the car before he could retreat into the house.

She retreated into the building, and closed the door behind her.

It was as if she had retreated deep into herself.

She raised her voice to follow him as he retreated into the dark house.

"Are you saying these people retreated into this and died?"

Within a minute, the last of it had retreated into the water.

Soon it gave up the fight and retreated into its hill.

Often when she tried to talk to him, he retreated into silence.

Actually, he had no other choice but to retreat into humor, and to talk to himself.