2 sentences for 死路 (sǐ​lù)

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. 前面是一条死路，我们得往回走。

   qián​miàn shì yī tiáo sǐ​lù, wǒ​men děi wǎng huí zǒu.

   It's a dead end ahead; we have to turn back.

   Source: Dong Chinese Dictionary