Senses
关节/ 關節 joint
The connection point between bones in the body; a physical joint
关节/ 關節 key link
A critical point, phase, or part of a process; a key link
关节/ 關節 backdoor dealing
Secret dealings or bribery used to influence officials; working through connections to get something done
关节/ 關節 secret signal
A secret code or signal used to communicate covertly
关节/ 關節 scheme
A plot, stratagem, or clever trick