裏 うら階段 かいだん

urakaidan

1. Not the back stairs.; It's not the back stairs.

1. Was a back staircase.; Was a secret staircase.

1. Back stairs; Behind the scenes (figuratively)

1. Back stairs; Secret stairs

1. It is not a back entrance.; It's not through the back door.

1. Not the back stairs.; It's not the back stairs.

1. Was the back stairs.; It was the service entrance.

1. Back entrance; Service entrance

1. It is not the back stairs.; It is not a secret passage.

1. Wasn't the back stairs.; It wasn't the back staircase.

1. Back stairs, likely.; Probably a back route.

1. It wasn't the back stairs.; It wasn't through the back entrance.

1. Wasn't the back stairs.; Wasn't the secret passage.

1. Probably the back stairs.; Likely a back entrance.

1. Was not the back stairs.; Was not a secret passage.

1. If it were a back staircase; If it's a back staircase

1. If/when the back stairs…; If there were back stairs…

1. If/when the back stairs; Through the back stairs