Meaning of guān jié:
guān jié
关节
Noun
joint (physiology); key point; critical phase
Tā de xīgài guānjié zuìjìn shòushāng le.
他的膝盖关节最近受伤了。
His knee joint was injured recently.
Huái guānjié zài xǔduō tǐyù huódòng zhōng shì fēicháng zhòngyào de.
踝关节在许多体育活动中是非常重要的。
The ankle joint is very important in many sports activities.
Zhè shì xiàngmù de guānjiàn guānjié.
这是项目的关键关节。
This is the critical phase of the project.