ask this
好吧，你没料到我会问这个。
Well, you didn't expect me to ask that.
你为何问这个？
Why are you asking this?
— 惊魂记 (1960)
我很高兴你问这个，因为她好极了，生活美满，当然，到我杀死了她为止！
I'm glad you asked, because she was wonderful and had a perfect life—until, of course, I killed her!
— 死亡论文 (1996)
你为什么问这个？
Why are you asking that?
他问这个干什麽?
Why is he asking this?
— 好人寥寥 (1992)
你为什么要问这个？
Why do you ask that?
— 不可告人 (2006)
你问这个干什么
Why are you asking?
— Dying to Survive (2018)
我在考试时会问这个
I'll ask this during the exam.
— 精英部队 (2007)