May I ask a question？（英译中)

I refuse to answer that question.（英译中)

I would never question his honesty.（英译中)

May I take a picture of you？（英译中)

May I borrow your pen？（英译中)

If I have offended you, I ask your pardon.（英译中)

A German scientist interrupted me and asked if I came from China.（英译中)