lay something at someone’s door and put something at someone’s door

lay something at someone’s door and put something at someone’s door
1
. Fig. to blame a problem on someone; to hold someone responsible for something. (Alludes to someone laying incriminating evidence at the door of a guilty person, perhaps in the night.)
- E.g. I’m laying responsibility for this mess at your door!
- E.g. Don’t put this at my door!
2
. Fig. to give or assign a problem to someone for solving.
- E.g. I am going to lay this problem right at your door. You are the one who can settle it.
- E.g. I will put this business at your door and hope you can do something about it.