a quarter to two
`` Take your brother back to the ballroom , '' Peter Ruff directed . `` Make him dance -- dance yourself . Do n't give yourselves away by looking anxious . When the time is short -- say at a quarter to two -- he can come down here and wait for me . '' `` If you do n't come ! '' she exclaimed . `` Then we shall have lost , '' Peter Ruff said , calmly .