Ciel hears some promising information: the ever-busy Head Master will be attending Weston's traditional cricket tournament, and evidently the student who exhibits the most sportsmanlike behaviour will be invited to the Head Master's "midnight tea party."
But only after I've checked that 
you've finished all your extra work.
لكن فقط بعد أن أتأكّد من أنّك
أنجزت عملك الإضافيّ بأكمله
Nachdem ich mich vergewissert habe, dass du
deine Hausaufgaben ordentlich erledigt hast.
Pero antes comprobaré
que haya terminado los deberes.
Pero antes comprobaré
que haya terminado los deberes.
Mais je vérifierai d’abord
que tu as fait tous tes devoirs…
Contudo, só depois de conferir se
você fez toda a sua lição de casa.
Только сначала я удостоверюсь,
что вы сдали домашнее задание.