国防

• ピンイン: guó fáng
• 漢字の分解: 国 = 囗 (enclosure) + 玉 (jade); 防 = 阜 (mound/hill) + 方 (square/side) — a rampart on the side of a hill

意味

国防（国家防衛）

Covers military readiness, border protection, civil defence, and national security policy. Used in official, political, and academic contexts. Common in policy documents, news reports, and speeches about military affairs.

例文

1. 国家将持续加大对国防科技创新的投入力度。
2. 国防建设必须与经济发展协调推进，不可偏废。
3. 青年人有义务了解国防知识，增强忧患意识。

使い方ガイド

場面: military, politics, national security

トーン: serious

正しい言い方

• 政府出台了一系列加强国防实力的政策措施。(The government has introduced a series of policy measures to strengthen national defence.)
• 国防现代化是实现强国目标的重要支撑。(The modernisation of national defence is a crucial pillar for achieving the goal of a powerful nation.)

避ける言い方

• 我们公司的国防很好 — 国防 refers only to a country's military defence; for internal security or protection use 防护 or 保护措施

起源と歴史

国 (nation) + 防 (defend, guard)

文化的背景

世代: All ages

社会的背景: Universal