由（某人）保存（或保管）
If something is in your keeping, you are taking care of it.
I left my car in her keeping when I went abroad. 我出国的时候把汽车托给她保管。
I know that the dogs will be just fine in your keeping.
She left her jewels in the keeping of a local priest.
He decided to sell one of the paintings he has in his keeping.
It looks like the monarchy will be safe in their keeping.
See also: keeping