If Bob wants to apologize, the least you can do is listen.
(redirected from the least you can do)
the least (one) can do
Something that one ought to do; the very minimum one should do. I know you're angry with him, but he seems like he really wants to make amends. The least you can do is hear him out.A: "Thank you so much for the cookies!" B: "It's the least we can do to repay you for looking after our pets while we were away."