(bird species of China) mandarin duck; a species of bird where the male has colorful feathers and the female is plain brown, known for appearing in pairs
affectionate couple
an affectionate couple or happily married couple, based on the image of mandarin ducks always being in pairs
matched pair
a pair of objects that are matched together, such as a pair of swords or a culinary dish made of two contrasting parts
Yuanyang
title of a poem in the Minor Hymns (Xiaoya) section of the Classic of Poetry (Shijing)