tear apart
US /ter əˈpɑːrt/
UK /ter əˈpɑːrt/

1.
despedazar, desarmar
to separate into pieces by pulling or ripping
:
•
The dog began to tear apart the old cushion.
El perro empezó a despedazar el cojín viejo.
•
They had to tear apart the engine to find the problem.
Tuvieron que desarmar el motor para encontrar el problema.
2.
destrozar, desgarrar
to cause great distress or emotional pain to someone
:
•
The news of her death tore his family apart.
La noticia de su muerte destrozó a su familia.
•
The constant arguments began to tear apart their relationship.
Las constantes discusiones comenzaron a destrozar su relación.