How frustrating! / That's so annoying! / What a pain!
Expresses frustration, anger, or annoyance at a situation. Rabia literally means rage but in this context signals strong frustration rather than true anger.
—You missed the bus by a second. —How frustrating!
That's so annoying, I had it on the tip of my tongue!
—The match was cancelled. —What a pain, I'd been waiting weeks for it!
How annoying! I forgot my wallet.