2 sentences for 爛 (làn — worn out)

1. 他的那双烂鞋该扔了。

   tā de nà shuāng làn xié gāi rēng le.

   Those worn-out shoes of his should be thrown away.

   Source: Dong Chinese Dictionary

2. 这种纸很牛皮，怎么撕都撕不烂。

   zhè zhǒng zhǐ hěn niú​pí, zěn​me sī dōu sī bù làn.

   This paper is very tough; it won't tear no matter how you pull it.

   Source: Dong Chinese Dictionary