After receiving the approval of Miss Hudson, landlady of 221B Baker Street, John H. Watson, recently returned from the Afghan War, becomes the housemate of consulting detective Sherlock Holmes, who himself is soon implicated in a serious crime.
So you're saying that there was no one
in the mansion who heard gunshots.
.تقول أنه لم يوجد أيّ شخص في المنزل ممّن سمع الطلقات النارية
Das heißt also,
Entonces, estás diciendo
En somme,
Então está dizendo
Получается, нет никого, кто находился бы
 в особняке и слышал звуки выстрелов.