Word/Phrase: no es gran cosa
Translation: it's no big deal
Pronunciation: no es ɡɾan ˈkosa
It's just a small issue - Es solo un pequeño problema
Don't worry about it - No te preocupes por eso
It's not important - No es importante
It's nothing serious - No es nada serio
It's just a minor detail - Es solo un detalle menor