1, doctor: doctor and doctor's title (on gender) or use Z Hangzhou when you have a doctorate. 2.Mr is the abbreviation of Mister, which means Mr, referring to men. Can be used before the surname or first name of all men (whether married or not). Mr green: Mr green, Mr Smith: Mr Smith. 3. Miss. It means miss, which means unmarried women. It is a title for unmarried women, which comes before their first or last names. For example, Miss Wang: Miss Wang. 4. Mrs. is a polite address for married women, which is added before the full name and then the husband's surname. For example, if the husband's surname is Huang, then his wife, Mrs. Huang and Ms. Huang, means lady, and it is usually unknown whether he is married or not. Such as: Ms. Zhang: Ms. Zhang.