無私顯見私 [无－显见－]

Jyutping mou4 si1 hin2 gin3 si1
Pinyin wú sī xiǎn jiàn sī

Definitions (CC-CANTO)
  1. (Cantonese analogy - figurative meaning) to show/unveil someone hiding intentions
Definitions (粵典–words.hk)
  1. 語句、俚語
    越​努力​去​掩飾​一樣​嘢​，​反而​越明顯​咁​顯​露出​嚟
    the more one tries to hide something, the more obvious it becomes
  2. 近義詞
    此地無銀三百両