I backed up carefully until I felt the wall against my back.

我小心翼翼地后退了几步，直到感觉到后背贴上了墙。

《柯林斯英汉双解大词典》

Zedekiah Smith took up the lantern and without looking back they passed through the opening in the rock wall.

泽德凯亚·史密斯提起马灯，两人头也不回地走向岩壁的出口。

youdao

He squeezes an entire bathroom into the area of a shower stall; the sink folds up to reveal the toilet, which somehow is also hinged so that it folds back into the wall when one wants to shower.

他把整个盥洗室挤进了一个淋浴室；水槽折叠起来才能露出座便器，座便器不知怎么的也给装上了铰链，因此可以在有人洗澡时折回墙里。

youdao

I quickly stood up. My back was against the cave wall.

VOA: special.2010.07.10

we just put the wall back up

我们后来把墙扶起来了，

在工作室发生的事 - SpeakingMax英语口语达人

Now the challenge is putting the Humpty-Dumpty deal talks back up on the wall, with the whole world watching.

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But it is dismaying that conservatives should feel a natural kinship with a figure whose defining characteristics would seem even to them to be a back up against the wall, a sharply limited number of options, and very little time remaining.

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After the song, Burton offers up a "one more thing" to the crowd, staff members opening up the back wall to reveal the second half of the room, as a man picks up the guitar at the side of the stage, for an instrumental jam.

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