金童玉女 [－－－－]

Jyutping gam1 tung4 juk6 neoi5
Pinyin jīn tóng yù nǚ

Definitions (CC-CEDICT)
  1. lit. golden boys and jade maidens (idiom)
  2. attendants of the Daoist immortals
  3. fig. lovely young children
  4. a golden couple
  5. (of a couple who are in the public eye) a lovely young couple
Definitions (粵典–words.hk)
  1. 名詞
    本身​係​服侍​觀音​娘娘​嘅​仙子​同​仙女​；​因​為​佢​哋​成​日​成​雙​成​對​出​現​，​啲​人​都​用​佢​哋​嚟​比喻​一對​情侶​好​登​對
    a couple of fairy boy and girl who serve the Goddess of Mercy, and as they often appear in couple, they are also a metaphor for a romantic couple
  2. 近義詞
    孖公仔
Definitions (Wiktionary)
  1. phrase, figuratively, idiomatic
    innocent and lovely young children
  2. phrase, figuratively, idiomatic
    talented and good-looking couple; lovely young couple
  3. phrase, idiomatic
    child attendants of the immortals