夜幕低垂 夜幕降临这两个词用英语什么说？

夜幕低垂The curtain of night hangs down
夜幕降临The night falls

夜幕低垂
网络释义
夜幕低垂:When Night is Falling|Nightfall
夜幕低垂前:Before Night Falls
夜幕降临
基本翻译
the approach of night
网络释义
夜幕降临:EVENING FALLS|Night is falling
夜幕降临前:Before Night Falls
夜幕降临之前:Before Night Falls

curtain of the night is falling down
screen of the night is coming

当夜幕降临的夜晚来的窗帘挂下来晚上，夜幕降临

the curtain of night droopes.
the curtain of night is approaching.

When the night falls, ..............