to close in
[phrase form: close]
01
包围, 威胁性地接近
to approach or surround someone or something, often in a way that is threatening or confining
例子
The children felt a bit frightened as the forest closed in around them during their hike.
孩子们在徒步旅行时感到有点害怕，因为森林逼近了他们。
We had to pick up our pace as the storm clouds started to close in, threatening heavy rain.
随着暴风云开始逼近，威胁要下大雨，我们不得不加快步伐。
02
缩短, 减少
(of the duration of daylight) to gradually decreases as the winter solstice approaches
例子
As autumn transitions into winter, the days gradually close in, leaving us with shorter periods of daylight.
随着秋天过渡到冬天，白天逐渐变短，留给我们的日光时间更短。
Living in northern latitudes means experiencing the days closing in more drastically as the winter solstice nears.
生活在北纬地区意味着随着冬至的临近，白天会缩短得更剧烈。
03
变暗, 闭合
(of the sky) to get darker as the night approaches
例子
As the sun set, the sky started to close in, casting a beautiful array of colors across the horizon.
随着太阳落山，天空开始闭合，在地平线上投射出一系列美丽的色彩。
We watched as the day came to an end and the sky closed in, revealing the twinkling stars above.
我们看着白昼结束，天空闭合，露出了上面闪烁的星星。
