There is a "corresponding" English expression, though it has nothing to do with καμπάνες. Can you work it out from these citations from the Bank of English?
lean, grizzled hunter, 50 if he is a day, made gaunt and slightly crabby by must be over eighty now if she is a day. <p> Of the other boys I remember primly. `Thirty years old, if he was a day, and having it off with a seventeen- And she was eighty if she was a day. <F01> Oh my goodness. <F03> But er