The correct pronunciation of sir.

Pinyin: xiān sound

Explanation: (1) Teacher. (2) the name of the intellectual. (3) I used to call someone else's husband or someone else's own husband (both personal pronouns are attributives): She is on a business trip | We came back, so I asked him to come to you right away. (4) Dr. Fang. (5) Bookkeeper in ancient times: working in a firm. (6) In the old society, people who used to tell stories, read physiognomies, calculate divinations and watch geomantic omen were called fortune tellers.