真空上陣 [－－－阵]

Jyutping zan1 hung1 soeng5 zan6
Pinyin zhēn kōng shàng zhèn

Definitions (粵典–words.hk)
  1. 語句
    女性​無着​底衫​，​有​機會​凸點​、​露點
    woman to wear no underwear that one's nipples protruding and become visible under the clothing

真空上陣 [－－－阵]

Jyutping zan1 hung1 soeng5 zan6
Pinyin zhēn1kong shàng4zhen

Definitions (CC-CANTO)
  1. to wear revealing clothes and not wearing a bra inside [colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    听讲今日个歌星会真空上阵，打醒十二分精神喇。
    聽講今日個歌星會真空上陣，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.