es extraño que

it's strange that

→ ser
phrase Uncommon #22,217
it's strange that Usually followed by a verb in the subjunctive mood because it expresses surprise or an unusual situation.
SP: Es extraño que nadie sepa la respuesta.
EN: It's strange that nobody knows the answer.

No es extraño que galaxias enteras desaparezcan de pronto.

It’s not unusual for entire galaxies to suddenly disappear.

Es extraño que Ken no esté de acuerdo con nosotros.

It's strange that Ken doesn't agree with us.

Es extraño que no haya llegado todavía si salió de casa hace más de dos horas.

It's strange that he hasn't arrived yet if he left home more than two hours ago.

No, es extraño que no conozca al dueño del auto.

No, it's strange that I don't know the owner of the car.

— The Chaser (2008)

Es extraño que las luces de la empresa estén encendidas a esta hora.

It’s strange that the company’s lights are on at this hour.

Pero es extraño que recuerde el tuyo.

But it's strange that it remembers yours.

— El viaje de Chihiro (2001)

Es extraño que no diga que se marcha de viaje.

It's strange that he doesn't say he's going on a trip.

— La cinta blanca (2009)

No es extraño que no hubiera pasajes para barco.

It's not surprising that there were no boat tickets available.

— Las flores de la guerra (2011)

Es extraño que te llames a ti misma.

It's strange that you call yourself that.

— Mulholland Drive (2001)

Sí, es extraño que no haya venido a pedirme que nos vayamos.

Yes, it's strange that he hasn't come to ask me to leave.

— La piel que habito (2011)

No es extraño que estas vacaciones sean tan importantes para ti.

It's not surprising that these holidays are so important to you.

— Sólo se vive una vez (2011)

Es extraño que nadie nos conozca.

It's strange that nobody knows us.