Guǎn zǐ
Guanzi or Guan Zhong 管仲 (-645 BC), famous politician of Qi 齊國|齐国 of Spring and Autumn period
Guanzi, classical book containing writings of Guan Zhong and his school
guǎn zi
tube
pipe
drinking straw
CL:根[gen1]
guǎn zi qián
pipe wrench
monkey wrench