‘贯彻’ (guàn chè) is a formal, action-oriented verb meaning to implement, carry out, or execute something thoroughly and consistently—especially policies, plans, principles, or instructions. The character 贯 (guàn) means 'to thread through' or 'to connect continuously', suggesting continuity and penetration; 彻 (chè) means 'thorough', 'complete', or 'to the end', implying full realization without omission. Together, they convey the idea of fully integrating and executing an idea or directive from start to finish, with unwavering commitment.

This word is commonly used in official, organizational, educational, or managerial contexts—for example, when discussing national policies, school regulations, company strategies, or personal commitments. It carries a tone of seriousness and responsibility, and is rarely used in casual speech. While it can appear in written and spoken Chinese, it leans toward formal registers and often appears in compound phrases like ‘贯彻落实’ (implement and enforce) or ‘贯彻执行’ (carry out and enforce).