哪壺不開提哪壺 [－壶－开－－壶]

Jyutping naa5 wu4 bat1 hoi1 tai4 naa5 wu4
Pinyin nǎ hú bù kāi tí nǎ hú

Definitions (CC-CEDICT)
  1. lit. mention the pot that doesn't boil (idiom); to touch a sore spot
  2. to talk about sb's weak point
Definitions (Wiktionary)
  1. phrase, idiomatic
    to blurt out somebody's weakness
  2. phrase, idiomatic
    to air somebody's dirty laundry
  3. phrase, idiomatic
    to let somebody's skeletons out of the closet