If you think this job is going to be easy, you're in for a 'rude shock'. [=you will be unpleasantly shocked when you find out that this job is not easy at all]
He's about to have a 'rude awakening'. [=he's about to find out something that will shock him unpleasantly]
I was 'rudely' [=suddenly and unpleasantly] awakened from my nap.
(..) - What are you doing? I've never been so humiliated in all my life! What's got into you? Have you any idea... How could you be so rude? Embarrassing me in front of Professor Flostre! What am I going to tell him? You're not gonna tell him anything. You'll never see him again. (..)1957 Funny Face
(..) Neither do you, which brings us to why I'm here. Monsieur, you dance with Mimi? No, thanks, I'm busy. Didn't Gigi tell you? That's very rude, refusing to dance with Mimi. Where I come from, the man asks the girl to dance. You must come from the Stone Age. We think freely here. If a girl wants (..)1957 Funny Face