Meaning of keep in English
1. (cause to) be in a particular state or condition; remain
keep quiet
keep studying hard
keep the door open[closed]
She kept me waiting for a long time.
2. (cause to) continue in a particular state or condition
How long can I keep this book?
Will you keep this bag for me? ― May I leave this bag with you?
4. put aside for the future use
keep cans for recycling
Please keep this seat for me.
keep one's word[promise]
keep cats as a pet
She keeps a diary every day.
8. have something on sale or in stock
We don't keep that magazine on hand.
9. last
This food won't keep long.