idiom · attendants of the Daoist immortals, literally golden boys and jade maidens

寺庙的神像两旁通常站着一对金童玉女。

idiom · a perfect and attractive young couple, especially celebrities or those in the public eye

他们两人被媒体誉为娱乐圈的金童玉女。

idiom · figurative term for lovely and adorable young children

这对龙凤胎长得白净可爱，真是一对金童玉女。