I don't think it is
I don't think it's him.
No creo que sea buena idea que volvamos a vernos.
I don't think it's a good idea for us to see each other again.
— La gran enfermedad del amor (2017)
I don't think so.
I don't think that's right.
No creo que sea el mejor momento para que hablemos.
I don't think this is the best time for us to talk.
I don't think it's time.
No lo sé, no creo que sea seguro ir.
I don't know, I don't think it's safe to go.
— La ciudad de las estrellas (La La Land) (2016)
No creo que sea muy probable que eso suceda.
I don't think it's very likely that will happen.