Children need to learn not to go into their parents' private space without knocking first.
Les enfants doivent apprendre à ne pas entrer dans l'espace privé de leurs parents sans frapper.
I never go into his study without knocking first, out of respect for his privacy.
Je n'entre jamais dans son cabinet de travail sans frapper, par respect pour son intimité.
She inadmissibly entered the room without knocking first, causing a stir among the guests.
Elle est entrée dans la pièce sans frapper, ce qui a provoqué un émoi parmi les invités.
It's rude to walk in without knocking first, especially when you don't know the people.
She asked, 'How dare you enter my room without knocking first? '