一矢雙鵰 [－－双雕]

Jyutping jat1 ci2 soeng1 diu1
Pinyin yī shǐ shuāng diāo

Definitions (CC-CANTO)
  1. literally: killing two birds with one stone; a threesome with one man and two woman [written and colloquial]
Definitions (粵典–words.hk)
  1. 形容詞
    一種​做法​有​兩個​效果​、​有​兩樣​好​處
    to kill two birds with one stone; literally: to kill two birds of prey with one arrow
  2. 近義詞
    一箭雙鵰