关节

• ピンイン: guān jié
• 漢字の分解: 关 = gate; connection; crucial point; 节 = 竹 (bamboo) + 即 (immediate) — originally a bamboo node or joint; extended to any section, joint, or key point

意味

関節；（比喩）要所・肝

In medicine, 关节 refers to joints such as the knee (膝关节), shoulder (肩关节), and elbow (肘关节). In figurative language, it means the pivotal link or crux in a chain of events or a complex issue. 打通关节 means to bribe or resolve a matter through back channels.

例文

1. 长期跑步需要格外注意保护膝关节，避免软骨因过度磨损而受损。
2. 这场谈判的关键关节在于双方能否就知识产权归属问题最终达成共识。
3. 他关节疼痛持续加剧，在家人的劝说下才决定前往医院做全面检查。

使い方ガイド

場面: medical, business, figurative

トーン: neutral

正しい言い方

• 他的膝关节损伤较为严重，医生建议尽早安排手术，以免病情继续恶化。(His knee joint damage is quite severe; the doctor recommends arranging surgery as soon as possible to prevent further deterioration.)
• 整件事的关节所在，是谁授权签署了那份具有法律效力的合同。(The crux of the whole matter is who authorised the signing of that legally binding contract.)

避ける言い方

• 混用'关节'和'关键'来泛指某件事的重要性 — 关节 in the figurative sense specifically means the linking crux or pivot; for general importance use 关键 or 核心; 关节 implies a connective or structural role

起源と歴史

关 (connecting; crucial; gate) + 节 (section; joint; node). Originally described physical joints where bones meet; extended to the critical linking point in an issue.

文化的背景

世代: All ages

社会的背景: Universal