My blue jeans are dirty and have to be washed.
我的牛仔褲很髒，需要洗了。

Sam always played dirty tricks on Johnny when they were in high school.
高中時，山姆總是對強尼耍花招。

Jenny gave me a dirty look after I commented on her weight.
我評論珍妮的體重後，她給了我一個白眼。

Peter dirtied the cream rug with his shoes.
彼得的鞋子把奶油色地毯弄髒了。

The prime minister’s words dirtied the government’s reputation.
該首相的話敗壞了政府的名聲。

How many different languages do you speak?
你能說多少種不同的語言？

Do not use dirty language in any situation.
任何情況下都不要說髒話。