2 sentences

1. 这一消息令人难以置信。

   zhè yī xiāo​xi lìng rén nán​yǐ zhì​xìn.

   This news is hard to believe.

   Source: Dong Chinese Dictionary

2. 我们需要计算这个样本的置信区间。

   wǒ​men xū​yào jì​suàn zhè gè yàng​běn de zhì​xìn qū​jiān.

   We need to calculate the confidence interval for this sample.

   Source: Dong Chinese Dictionary