Definition
事由 is a formal noun with three related but distinct uses: (1) the cause or origin of an event or matter (more formal than 原因), (2) the subject line or topic of a business letter or official document (like 'Re:' in English correspondence), and (3) the nature of a job or task in a work context. It's common in administrative, legal, and workplace writing.
n.
cause or reason (formal)subject line of a document or letterjob duty or work matter
Examples
- 事由。shì yóu bù míng de huǒzāi hái zài diàochá zhōng.The fire whose cause is unclear is still under investigation.
- 事由。Qǐng zài yóujiàn biāotí lán xiě míng shì yóu.Please state the subject in the email subject line.
- 事由。Tā de zhǔyào shì yóu shì kèhù guānxì guǎnlǐ.His main job duty is customer relationship management.
Browse more HSK 7-9 words or search the full 43,000-word dictionary.