How do you think I am doing regarding this?
What do you think I am?
Come on! What kind of person do you think I am?
I found your stupidity mildly amusing.我覺得你傻得有點兒好玩。- Thank you, but I found your evilness is extremely annoying.謝謝哦,不過我覺得你壞得非常討厭。- Who do you think you are, panda?你覺得你是誰啊,你個死熊貓?- Who do you think I am, peacock?你以為我是誰啊,你個臭孔雀?
Before leaving, he says to the sales clerk, "I hope you don't mind me asking, but how old do you think I am?"