idiom · the dragon and phoenix as symbols of good fortune; a sign of prosperity and harmony, especially in marriage

在婚礼上，大家纷纷祝愿这对新人龙凤呈祥。

idiom · decorated with or featuring the motifs of the dragon and the phoenix

这件中式礼服上绣着龙凤呈祥的图案，非常精美。