夕陽西下

the sun sets in the west (idiom)

dusk / evening / Taiwan pr. [xi4]

sunset / the setting sun

positive (electric.) / sun / male principle (Taoism) / Yang, opposite: 陰|阴[yin1]

Yangxi county in Yangjiang 陽江|阳江[Yang2 jiang1], Guangdong

the West / abbr. for Spain 西班牙[Xi1 ban1 ya2] / Spanish

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action