boss / sir (person with a leading role in an organization) / (after a surname) high ranking commander in the PLA / (Qing dynasty) high ranking government official / (old) courteous term used by the general populace in addressing a rank-and-file soldier or police officer
first of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / (used for an unspecified person or thing) / first (in a list, as a party to a contract etc) / letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc / armor plating / shell or carapace / (of the fingers or toes) nail / bladed leather or metal armor (old) / ranking system used in the Imperial examinations (old) / civil administration unit in the baojia 保甲[bao3 jia3] system (old) / ancient Chinese compass point: 75°
high ranking official (old) / term of endearment between spouses (old) / (from the Tang Dynasty onwards) term used by the emperor for his subjects (old) / honorific (old)
a ranking of items in a particular category, with the most highly regarded on top (neologism c. 2012, coined by analogy with 食物鏈|食物链[shi2 wu4 lian4], food chain)