副詞
形容女性冇戴胸圍或者冇着內褲,或者兩樣都冇 (of a female) not wearing undergarments, a bra, or both
聽講今日個歌星會真空上陣,打醒十二分精神喇。
听讲今日个歌星会真空上阵,打醒十二分精神喇。
teng1 gong2 gam1 jat6 go3 go1 sing1 wui5 zan1 hung1 soeng5 zan6, daa2 sing2 sap6 ji6 fan1 zing1 san4 laa3. I've heard that she won't wear any underwear while she is on stage. Pay attention to it.
Definitions (Wiktionary)
noun
any phenomenon without material existence
noun, figuratively
vacuum
信仰真空
信仰真空
xìn yǎng zhēn kōng belief vacuum
verb, neologism
to not wear underwear (partially or fully)