1. My shoes is dirty.
    我的鞋子很脏了.

2. But the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.
    却发现了一个装有珠宝的、肮脏的红包袱。老妇人说那不是她的。

3. I detest dirty houses.
    我厌恶肮脏的房屋。

4. I become faster and neater each day. I'm outdoors in clean air. And, contrary to what people think, I don't get dirty on the job.
    我越干越快，越干越利索。在室外干活还可以呼吸新鲜空气。而且完全不像人们认为的那样，我干的活儿其实很干净。

5. For example, dirty sewage (污水沟系统) water from homes and factories must not mix with drinking water.
    例如：从家里和工厂里排放出来的污水是绝不可和饮用水混在一起的。