To get there they had to chisel away a concrete cell wall, and, of course, it had to be done slowly and on the QT.

为了到达这个通风口，他们必须凿穿一堵混凝土墙，当然，必须缓慢而秘密地进行这个工作。

youdao

Michael crouches next to the toilet in his cell. He's managed to pull it out about a foot from the wall and he USES his homemade Allen wrench to scrape out the concrete between the cinder blocks.

Michael蹲在他牢房的马桶边，他设法将马桶拖出离墙差不多一英尺的距离，然后用那个自制的六角扳手挖出砖块之间的混凝土。

youdao

I was falling asleep on the floor when I felt a low harmony echoing up through the concrete of the cell next door.

我正睡在地上，听到从隔间的水泥墙壁中传来一曲低沉且和谐的旋律。

youdao

Hopefully Stephen's story can make a difference to them and others who are currently sitting in a concrete cell 23 hours a day.

CNN: STORY HIGHLIGHTS

The latter became infamous for the 2002 death of a detainee, reportedly from hypothermia, after prison officials stripped him naked and chained him to the floor of his concrete cell, in freezing temperatures.

NEWYORKER: The Black Sites

A. wrongly accused of being a double agent and held for three years in total isolation (no reading material, no news, no human contact except with interrogators) in a closet-size concrete cell near Williamsburg, Virginia, made chess sets from threads and a calendar from lint (only to have them discovered and swept away).

NEWYORKER: Hellhole