I'll paint you a rainbow to hang on the wall, to brighten your heart when the gray shadows fall.

我要为你画一道彩虹高挂在墙上，在灰霾降临时点亮你的心灵。

youdao

No amount of wall washing, it seems, will ever suppress the 5)spray paint culture, which appears as a brightly colored rainbow, weaving itself in and out of the gray tower block landscapes.

当局对墙上的涂鸦见一个抹一个，也似乎依然无法压制这种喷漆文化。 一幅幅涂鸦作品就像绚烂夺目的彩虹，在灰暗林立的大厦墙壁上蜿蜒曲折。

youdao