suit your/somebody's book

suit (one's) book

To be ideal, convenient, or acceptable to one. It suits our book to have all the meetings in the one day, but organize things however they are most convenient for you.See also: book, suit

ˌsuit your/somebody’s ˈbook

(British English, informal) be convenient or useful for you/somebody: Well, if you’re honest and hard-working, that suits our book.See also: book, suit