of in Chinese
of in Chinese
的
Introducing an epithet that indicates a birthplace, residence, dominion, or other place associated with the individual.
以前
Used to introduce the "subjective genitive"; following a noun to form the head of a postmodifying noun phrase (see also 'Possession' senses below). [from 13th c.]
之
Used to link a given class of things with a specific example of that class. [from 12th c.]
关于
(following an adjective) Introduces its subject matter. [from 15th c.]