那个

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]