(bound form) personal; private; belonging to an individual rather than the public or government

(bound form) selfish; acting only for personal gain or self-interest

(bound form) secretly; privately; in a hidden or clandestine manner

(bound form) illegal; unofficial; involving smuggled or contraband goods

(bound form) contraband; smuggled or illegal items

the Chinese surname Si

(bound form) self; personal interest; private property or affairs

genitals; reproductive organs

(archaic) the husband of one's sister or sister-in-law