Ancar's grades slipped and he seemed to lose his temper easily.

It was then that her grades slipped, she said.

But if you get a job, your grades will slip.

Actually, he thought his grades might slip a notch this first quarter.

His grades have slipped a little, but he does do his homework daily.

His grades slipped, knocking him out of serious running.

And you couldn't let your grades slip either, although that wasn't likely in his case.

But a few years ago, she got a new boss and her grade slipped to a 3.

During senior year of high school, my grades slipped.

My grades slipped and i always had blurry eyes.