3 sentences

1. 不要轻信陌生人的话。

   bù yào qīng​xìn mò​shēng​rén de huà.

   Don't be too quick to believe what strangers say.

   Source: Dong Chinese Dictionary

2. 这只是个传闻，你不要轻信。

   zhè zhǐ shì gè chuán​wén, nǐ bù yào qīng​xìn.

   This is just a rumor; don't be so quick to believe it.

   Source: Dong Chinese Dictionary

3. 那人说话一向发唐，谁也不敢轻信他。

   nà rén shuō​huà yī​xiàng fā táng, shéi yě bù gǎn qīng​xìn tā.

   That man always talks big, so nobody dares to trust him blindly.

   Source: Dong Chinese Dictionary