Correct
金童玉女
/ jīn tóng yùnǚ /
Strokes
Definition
lit. golden boys and jade maidens (idiom)/attendants of the Daoist immortals/fig. lovely young children/a golden couple/(of a couple who are in the public eye) a lovely young couple
Example
As a Noun
Golden Boy and Jade Maiden ［attendants of the Daoist/Taoist immortals］―innocent and lovely children
As a Noun
young man and woman with good looks and talent