How to use "slip" in a sentence

But then, a few weeks ago, she had begun to slip back into the dreadful condition in which she'd wallowed immediately after she'd received news of the accident

She listened intently, prepared to throw off the covers and slip out of bed

Maybe he'll be willing to slip into the courthouse long enough on Friday to review my exhumation request and rule on it

She closed the door long enough to slip off the security chain

"Well, isn't there any way that we could slip past them and get at Kennebeck?"

We might get to this place and find we can't slip around its defenses."

He got his shoulder and knee up, but again he seemed to slip back until only his head was visible