HSK 1 — Vocabulary, Characters, Translation and Audio (page 8)

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]