The eldest sister-in-law can just call her sister-in-law by her first name, so naturally there will be no distinction between them.

Title: refers to the titles and names established by people due to relatives or other relationships. The uses of titles are diverse.

Relative appellation refers to the name that determines the relationship between the family member and the person centered on the person. It is the name and way of calling each other among relatives based on blood relationship and marriage. It is a symbol that determines the relationship between relatives and the person with the person as the axis.

In modern Chinese, most kinship titles can clearly show their identity, such as generation (father: uncle, uncle; peers: brother, sister, cousin), paternal or maternal line (aunt, aunt) ), direct or collateral lineage (grandson, grandnephew), age (uncle, uncle, brother, brother) and blood relative or in-law (brother, sister-in-law, sister, brother-in-law).

The Chinese kinship appellation system is complex and diverse, and direct and collateral lines, blood relatives and in-laws, elders and juniors, older and younger, male and female, close relatives and distant relatives, etc. are strictly regulated and distinguished one by one. , its semantic function is detailed and its description is precise.

Social titles

Social titles refer to the title customs that reflect people’s mutual relationships in social life, except for relatives’ titles. Social titles are divided into non-relative titles and contextual titles. Non-relative titles are those titles that express interpersonal relationships based on the "person" standard in social life, excluding titles that express kinship.

Social titles in Chinese can basically be used as titles as long as they have titles. All positions: ministers, governors, principals, factory directors, managers, etc.; military ranks: colonel, major general, lieutenant, etc.; professional titles: engineers, professors, editors, etc.; degrees: master's, doctorate; occupations: doctors, nurses, teachers, lawyers You can also add your last name to address others.

Special titles

There are seven main types:

Common people’s titles

Common ones are: Buyi, Qianshou, Limin, Shengmin , common people, Li Shu, common people, Li Yuan, Meng.

Professional title

For some people whose occupation is craftsmanship, a word indicating their occupation is often added in front of their name so that people can know the person's occupation at a glance. identity. For example, "Paoding" in "Pao Ding Jie Niu", "Ding" is the name, and "Pao" is the chef, indicating the occupation. "Shi Xiang" in "Shi Shuo" and "Shi Kuang" mentioned in "The Meeting of Heroes and Jiang Qianzhong", "Shi" means musician and indicates occupation.

The "You Meng" in "The Biography of Liu Jingting" refers to the artist named "Meng". "You" is also called actor or actor. In ancient times, it was used to refer to artists whose profession is music, dance and banter. Later, it was also called opera actor.