is dirty

基本解释

"It defies logic that we pay for electricity we do not have, refuse they do not collect and water that is dirty and frequently unavailable, " Majiri rails.
我们要为那些根本没有的东西而付费：我们没有电，他们也不给我们处理垃圾，水，一般都是脏的，而且经常无法供应。
For table space tracking, a flag for each table space indicates whether a table space is dirty and need to be back up.
对于表空间跟踪，每个表空间的标志指出了表空间是否是脏的，以及是否需要备份。
Green jobs will provide future employment, but right now it is dirty jobs in manufacturing that are driving exports.
环保工作将在未来提供就业岗位，但现在它还是推动出口的制造业里肮脏的工作。

The men are dirty and their clothing is torn.
They talked about the real world that is outside, that is dirty,impure,profane versus academia, which is lofty,idealistic,sacred.
他们将外面的世界看成是现实，是肮脏的，不洁，被亵渎的，而学术界，则是崇高的，有理想的，神圣的。
哈佛公开课 - 幸福课课程节选
So with the problems, that is where you really will get your hands dirty and truly immerse yourself in this world of computer science and programming.
带着这些问题，你就能深入研究,这真的可以使你沉浸到计算机科学,和编程世界中。
哈佛公开课 - 计算机科学课程节选

Much of the work is dirty and dangerous, though, and the strain on families is severe.
NEWYORKER: The Miner’s Daughter