sunset
noun uk/ˈsʌn.set/ us/ˈsʌn.set/
B1 [ U ]日落（时分），黄昏，傍晚
the time in the evening when you last see the sun in the sky
The fishermen set out at sunset for a night's fishing. 渔夫们日落时分出海，准备夜间捕鱼。
B1 [ C ]晚霞
the appearance of the sky in the evening before the sun goes down
We sat on the beach watching a spectacular sunset. 我们坐在海滩上观看壮丽的晚霞。
Idiom
ride, drive, walk, etc. (off) into the sunsetidiom （在故事的结尾）开始幸福的新生活
to begin a new, happy life at the end of a story
At the end of the film, the two of them ride off into the sunset. 在电影的结尾，他们俩过上了幸福的新生活。