Four concrete walls of different lengths act as a divisions between different areas within the building and support the thick, flat roof - a contrast to the Alpstein peaks that rise behind it.

四个不同长度的混凝土墙作为建筑不同区域的分离，并支撑又厚又平的屋顶——与后面升起的阿尔卑斯山峰形成对比。

youdao

Sir, ' I exclaimed, 'sitting here within these four walls, at one stretch, I have endured and forgiven the four hundred and ninety heads of your discourse.

“先生，”我叫道，“坐在这四堵墙壁中间，我已经一连气儿忍受而且原谅了你这篇说教的四百九十个题目。

youdao

I should hate to be confined within the four walls of an office all day.

我讨厌整天给关在办公室的小天地里。

youdao

Your job as citizens, you've taken an oath, is to understand, listen to the evidence that -- and he would draw with his hands in court a picture of the courtroom walls -- within these four walls.

CNN: Ken Starr Discusses His Investigation

Given that each student has different learning needs at different times and different passions and interests, there is likely no school, no matter how great, that can single-handedly cater to all of these needs just by using its own resources contained within the four walls of its classrooms.

FORBES: Beyond School Choice

Or, stay within the castle walls to admire the four-poster and canopied beds, cast-bronze fireplaces, stained-glass windows and sweeping water views.

BBC: Daily deal: Free reign in New York's Finger Lakes