it's the only thing that
La cámara es lo único que la hace reaccionar.
The camera is the only thing that makes her react.
— 飲食男女 (1994)
It's the only thing he knows how to do.
Es lo único que tiene sentido.
It's the only thing that makes sense.
That's all that matters.
Es lo único que no se puede perdonar.
It is the only thing that cannot be forgiven.
— Todo sobre mi madre (1999)
Esta tienda es lo único que tenemos.
This store is all we have.
Pero la policía no es lo único que me preocupa.
But the police aren't the only thing that worries me.
— Gángster Americano (2007)
That's all I can say.