Check alarm area equipment and environment cleaning state, if dirty, then report Eng Dept. to take actions.

检查报警区域的设备和环境清洁状况，如果存在脏物则通知工程部清洁处理。

youdao

Note that some pages can refer to files, in which case, the data can be flushed if dirty (through the page cache) or, if the page is clean, simply discarded.

注意，一些页面可以指向文件，在这种情况下，如果页面是脏(dirty)的，数据将被冲洗，如果页面是干净的(clean)，直接丢掉。

youdao

If your hands are dirty, go and wash them.

要是你的手脏了，就去洗一洗。

《牛津词典》

A boy can be in hot water with his mother, if he comes into the house with dirty,wet shoes.

VOA: special.2009.05.10

There's just no dirty trick that anybody fails to do if it can.

各种卑鄙战术,无所不用其极

耶鲁公开课 - 古希腊历史简介课程节选

you can take clinics if you want to get your hands dirty and start practicing law,

如果你想要入行，开始做律师，你可以去法律实务班，

哈佛法学院的课程 - SpeakingMax英语口语达人

When scientists used the spacecraft's antennae to analyse radar echoes from the lunar surface, they found that within certain deep canyons near the south pole the echoes increased and were altered in just the way they would be if dirty icerather than rock were filling the caverns.

ECONOMIST: Divining water

Now, when someone confronts you on why you no longer follow them you can just blame it on Twitter even if your dirty little secret is that you had quietly deleted them when no one was looking.

FORBES: Twitter's 2 Follower Bugs

If he is dirty or creepy, they need not let him in.

ECONOMIST: Schumpeter