莺歌燕舞

yīng gē yàn wǔ

the warbler sings and the swallow dances

prosperity abounds (idiom)

莺

yīng

oriole or various birds of the Sylvidae family including warblers

歌

gē

variant of 歌[ge1]

燕

yàn

variant of 燕[yan4]

舞

wǔ

to dance