It was a rude awakening to learn after I left home that I wasn't so special anymore.

离家之后我猛然醒悟到自己不再那么特殊了。

If the players think they can win this match easily, they are in for a rude awakening.

如果选手们认为他们可以轻而易举地赢得这场比赛，他们会遭到当头棒喝。

"We have got a rude awakening," said Rio.

里奥说“我们被猛然惊醒。”

The older generation had a rude awakening.

老一辈人猛然醒悟了。

Now I am incomparable feeling bitter and rude awakening!

现在的我无比的痛心疾首，追悔莫及！