Nine o'clock
`` Oh , may n't I stay until half past nine ? '' asked Migwan coaxingly . `` No , ma 'm , '' said Nyoda emphatically . `` Nine o'clock is the time . That 's a bargain . As long as you keep your part of it you may use the typewriter , but as soon as you step over the line I go back on my part . Now remember , ` No checkee , no shirtee . ' ''