4 sentences

1. 任凭我怎么劝，他死活不答应。

   rèn​píng wǒ zěn​me quàn, tā sǐ​huó bù dā​ying.

   No matter how much I tried to persuade him, he simply wouldn't agree.

   Source: Dong Chinese Dictionary

2. 任凭困难再大，我们也绝不退缩。

   rèn​píng kùn​nan zài dà, wǒ​men yě jué bù tuì​suō.

   No matter how great the difficulties, we will never back down.

   Source: Dong Chinese Dictionary

3. 任凭旁人如何劝说，他兀自低头不语。

   rèn​píng páng​rén rú​hé quàn​shuō, tā wù​zì dī​tóu​bù​yǔ.

   Regardless of how others tried to persuade him, he remained silent with his head bowed.

   Source: Dong Chinese Dictionary

4. 这件事任凭你处置。

   zhè jiàn shì rèn​píng nǐ chǔ​zhì.

   I leave this matter at your disposal.

   Source: Dong Chinese Dictionary