huh

used to show that you have not understood something and want it explained again

eh, ¿qué?

• Huh? I didn't understand that.

  ¿Eh? No entendí eso.

used to express surprise or disbelief at something unexpected

¡qué!, ¡vaya!

• Huh! I didn't expect that.

  ¡Qué! No esperaba eso.