名从主人

1. • to refer to sth by the name its owners use

     idiom

2. • to refer to a place by the name its inhabitants use (e.g. refer to Seoul as 首尔 shǒuěr rather than 汉城 hànchéng)

Character by character

• 名(míng)name
• 从(cóng)from
• 主(zhǔ)owner
• 人(rén)person