The lesson hasn't fully sunk in yet; the patients are far from being completely healed.

Slowly the lesson was sinking into that thick skull of his.

He also emphasized that the satisfaction must come immediately after the success, or the lesson would not sink in.

But now that scientists are moving on to household pets, the lesson may finally sink in.

For some, the lessons of this flood have already sunk in.

How many Titanics did it take before the lesson sank in permanently?

The repetition means they really want this lesson to sink in.

Apparently, the lesson didn't sink in, or we are even worse off than before, because Hollywood is trying again.

Although to hear Hearn describe it, the lesson might not have sunk in.

And yet, it seems that for some the lessons of Lenny still haven't quite sunk in.