我肺都快气炸了！ I'm about to explode!
草包！ How clumsy!
这个冒失鬼！ Such a cool hand.
神经病！ That's bananas.
你这个糊涂虫！ A damn fool!
别逗了！ You are kidding.
你还好意思说！ You have the nerve to talk about it！