唱雙簧 [－双－]

Jyutping coeng3 soeng1 wong2
Pinyin chàng shuāng huáng

Definitions (粵典–words.hk)
  1. 動詞
    兩個​人講​埋​同一​樣​嘢​或者​説​服​人​，​一唱一和​，​互相配合
    to scheme together; to take the same side; literally: to sing a double flute
    • 佢兩個唱雙簧，令佢哋阿媽改咗份遺囑。
      佢两个唱双簧，令佢哋阿妈改咗份遗嘱。
      keoi5 loeng5 go3 coeng3 soeng1 wong2, ling6 keoi5 dei6 aa3 maa1 goi2 zo2 fan6 wai4 zuk1.
      They took the same side and coerced their mother to change her will.
  2. 近義詞
    上下其手、扯貓尾

唱雙簧 [－双－]

Jyutping coeng3 soeng1 wong4
Pinyin chàng shuāng huáng

Definitions (CC-CEDICT)
  1. lit. to sing a duet
  2. fig. to collaborate with sb
  3. also used satirically: to play second fiddle to
Definitions (Wiktionary)
  1. verb, derogatory, figuratively, of two parties, often
    to collaborate with each other; to scheme and put on a show together, often to cover up or deceive others
  2. verb, literally
    to perform shuanghuang (a two-man comic show)
Examples (粵典–words.hk)
  1. Cantonese
    佢两个唱双簧，令佢哋阿妈改咗份遗嘱。
    佢兩個唱雙簧，令佢哋阿媽改咗份遺囑。
    keoi5 loeng5 go3 coeng3 soeng1 wong2, ling6 keoi5 dei6 aa3 maa1 goi2 zo2 fan6 wai4 zuk1.
    • They took the same side and coerced their mother to change her will.