zhōng shū
center
backbone
hub (e.g. of transport network)
the central administration
shū niǔ
hub (e.g. of traffic network)
hinge
pivot
fulcrum
zhōng shū shén jīng xì tǒng
central nervous system, CNS
shū jī zhǔ jiào
cardinal (of Catholic church)
hù shū bù dù
lit. a door hinge never becomes worm-eaten
constant activity prevents decay (idiom)
liú shuǐ bù fǔ , hù shū bù dù
Flowing water does not rot, nor a door-hinge rust (idiom)
constant activity prevents decay
Líng shū jīng
the Divine Pivot or Spiritual Pivot, ancient Chinese medical text
yào shū
important traffic hub
key crossroad
tiān shū xīng
alpha Ursae Majoris in the Big Dipper
liú shuǐ bù fǔ , hù shū bù dù
Flowing water does not rot, nor a door-hinge rust (idiom)
constant activity prevents decay