Light up when the sun sets.

太阳落下时就点上灯。

youdao

The weather will be cooler when the sun sets.

等到日头落山天气就会凉快些了。

youdao

Past research shows that people naturally end up sleeping longer when the sun sets earlier, for example in the winter, even if the person goes to bed well after dark.

过去的研究显示，当日落较早时，人们的睡眠会自然而然变长，即使是天黑很久后才睡觉也一样，比如冬季时。

youdao

When I go out as sun sets and dusk falls, there is the Evening Star.

当夕阳西下夜幕降临时,我走出去,昏星就在那里

耶鲁公开课 - 死亡课程节选

When the sun sets, you are bathed in a magic, almost reflective light--reflective not just in a scientific way, but in deep emotional one.

FORBES: Peter Greenberg