You never mentioned that you are married.（英译中)

Have you got any proof that you own this bike？（英译中)

Which period of history are you studying？（英译中)

How old are you？（英译中)

You are looking rather pale, are you ill？（英译中)

Will you marry me？（英译中)

You are just inviting trouble if you do that.（英译中)