二者之一

either

two / 2 / (Beijing dialect) stupid

both / both of them / neither

(after a verb or adjective) one who (is) ... / (after a noun) person involved in ... / -er / -ist / (used after a number or 後|后[hou4] or 前[qian2] to refer to sth mentioned previously) / (used after a term, to mark a pause before defining the term) / (old) (used at the end of a command) / (old) this

(possessive particle, literary equivalent of 的[de5]) / him / her / it

one of (sth) / one out of a multitude / one (third, quarter, percent etc)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit