关节 guānjié joint (physiology)
joint (physiology); key point; critical phase
怎么记住“关节”: 关 to close + 节 section = joint (physiology).
汉字
用法
- Anatomical 'joint' - 膝关节 (xī guānjié) the knee joint, 关节炎 (guānjiéyán) arthritis.
- Figuratively it means the 'key link / crux' of a matter: 问题的关节 (wèntí de guānjié). Also 打通关节 (dǎtōng guānjié) to grease the wheels by bribing the right people.