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

jīn

gold

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

the West

zhuì

to fall

,

jade

variant of 兔[tu4]

dōng

east

shēng

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