1. I am familiar with this neighborhood because I used to live here.
Translation: Estoy familiarizado con este vecindario porque solía vivir aquí.

2. The song sounded familiar to me, but I couldn't remember the name of the band.
Translation: La canción me sonaba familiar, pero no podía recordar el nombre de la banda.

3. She looked familiar, but I couldn't place where I had seen her before.
Translation: Me parecía familiar, pero no podía recordar dónde la había visto antes.

4. The instructions were written in a language that was unfamiliar to me.
Translation: Las instrucciones estaban escritas en un idioma que me resultaba desconocido.

5. Even though it was his first time visiting the city, everything seemed strangely familiar to him.
Translation: Aunque era la primera vez que visitaba la ciudad, todo le parecía extrañamente familiar.

6. He was a familiar face at the local coffee shop, always sitting in the same corner reading a book.
Translation: Era un rostro familiar en la cafetería local, siempre sentado en el mismo rincón leyendo un libro.