Nothing would grow in the shadow of the grey wall.

没有任何东西会在那堵灰墙的阴影里生长。

《柯林斯英汉双解大词典》

If treat sanded grey wall, partition , stick spun glass cloth or dacron cloth completely even;

若遇沙灰墙、隔墙，还要满贴玻璃丝布或的确良布；

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On the bare walls of the main communal space are two large grey wall panels arranged like abstract modern art.

主要公共空间的裸墙是两个大型灰色墙板，布置得像抽象的现代艺术。

youdao

It is mounted at eye level on a grey concrete wall, an arresting display that could almost be an installation in a contemporary art show.

ECONOMIST: A new tribute to the Parthenon

Graham expressed some doubts as to how willing the general public who are not into photography might be to engage with what he described as "300 little grey rectangles on wall" , but added that those able to give the exhibition the time and patience necessary would find it immensely rewarding.

BBC: The photographic legacy of Garry Winogrand

Trying for a more modern look, it nailed up a wall of grey panels on which it is showing a mix of Old Masters and contemporary works.

ECONOMIST: Our books and arts editor at a market for masterpieces