7 sentences

1. 变废为宝。

   biàn fèi wéi bǎo.

   Turn waste into treasure.

   Source: Dong Chinese Dictionary

2. 这块布料被裁坏了，现在已经废了。

   zhè kuài bù​liào bèi cái huài le, xiàn​zài yǐ​jīng fèi le.

   This piece of fabric was cut incorrectly and is now ruined.

   Source: Dong Chinese Dictionary

3. 荒郊野外随处可见一些无名的废丘。

   huāng​jiāo​yě​wài suí​chù kě xiàn yī​xiē wú​míng de fèi qiū.

   Unnamed mounds of rubble can be seen everywhere in the wild countryside.

   Source: Dong Chinese Dictionary

4. 当地人流传着废校舍里有飘飘的说法。

   dāng​dì​rén liú​chuán zhe fèi xiào​shè lǐ yǒu piāo​piāo de shuō​fa.

   Locals say there are ghosts in the abandoned school building.

   Source: Dong Chinese Dictionary

5. 隳废法度。

   huī fèi fǎ​dù.

   Abolishing laws and institutions.

   Source: Dong Chinese Dictionary

6. 既然这条规定已经不合时宜，那就废了吧。

   jì​rán zhèi tiáo guī​dìng yǐ​jīng bù​hé​shí​yí, nà jiù fèi le ba.

   Since this regulation is no longer appropriate, it should be abolished.

   Source: Dong Chinese Dictionary

7. 他的双腿在事故中受伤废了。

   tā de shuāng tuǐ zài shì​gù zhōng shòu​shāng fèi le.

   His legs were disabled in the accident.

   Source: Dong Chinese Dictionary