а почему нельзя?

why the hell not? (Ivan Pisarev); why not? (Ivan Pisarev); why the heck not? (Ivan Pisarev); why on earth not? (Ivan Pisarev); why in the world not? (Ivan Pisarev); why shouldn't we? (Ivan Pisarev); why not indeed? (Ivan Pisarev); why not just so? (Ivan Pisarev); why not so? (Ivan Pisarev); why not then? (Ivan Pisarev); why wouldn't it? (Ivan Pisarev); why wouldn't you? (Ivan Pisarev); why can't it be? (Ivan Pisarev); why couldn't it? (Ivan Pisarev); why not at all? (Ivan Pisarev); why of course not? (Ivan Pisarev); why not as well? (Ivan Pisarev); why not potentially? (Ivan Pisarev); why the hell not indeed? (Ivan Pisarev)


а почему нельзя?
разг.	why the hell not?; why not?; why the heck not?; why on earth not?; why in the world not?; why shouldn't we?