(classifier used before a noun that has no specific classifier); (bound form) individual

a; an; one; the whole (afternoon, summer vacation etc)

(pronoun) this; (adjective) this

that one; that thing; that (as opposed to this); (used before a verb or adjective for emphasis); (used to humorously or indirectly refer to sth embarrassing, funny etc, or when one can't think of the right word); (used in speech as a filler, similar to "umm", "you know" etc); (euph.) menstruation; sex; also pr. [nei4 ge5]

each; every