2 sentences

1. 为什么不亲自问他呢？

   wèi​shén​me bù qīn​zì wèn tā ne?

   Why don't you just ask him yourself?

   Source: OpenSubtitles

2. 你扪心自问，这样做真的问心无愧吗？

   nǐ mén​xīn​zì​wèn, zhè​yàng zuò zhēn​de wèn​xīn​wú​kuì ma?

   Ask yourself, can you really do this with a clear conscience?

   Source: Dong Chinese Dictionary