金乌西坠,玉兔东升

jīn wū xī zhuì , yù tù dōng shēng

lit. the golden bird of the sun sets in the west, the jade hare of the moon rises in the east

fig. at sunset

金

jīn

gold

乌

wū

abbr. for country names that begin with 烏|乌[wu1]: Ukraine 烏克蘭|乌克兰[Wu1 ke4 lan2], Uzbekistan 烏茲別克斯坦|乌兹别克斯坦[Wu1 zi1 bie2 ke4 si1 tan3] etc

西

xī

the West

坠

zhuì

to fall

,

,

玉

yù

jade

兔

tù

variant of 兔[tu4]

东

dōng

east

升

shēng

to ascend; to rise (variant of 升[sheng1])