3 sentences

1. 不听劝告，你这是在走死路。

   bù tīng quàn​gào, nǐ zhè shì zài zǒu sǐ​lù.

   By ignoring the advice, you are heading down a path to destruction.

   Source: Dong Chinese Dictionary

2. 如果不听劝告，你迟早会尝到苦头的。

   rú​guǒ bù tīng quàn​gào, nǐ chí​zǎo huì cháng​dào kǔ​tou de.

   If you don't listen to advice, you will taste the bitterness sooner or later.

   Source: Dong Chinese Dictionary

3. 对于一个不听劝告的人，说再多也是无用的。

   duì​yú yī gè bù tīng quàn​gào de rén, shuō zài duō yě shì wú​yòng de.

   For someone who doesn't listen to advice, saying more is useless.

   Source: Dong Chinese Dictionary