2 sentences

1. 连日暴雨导致该地区发生了严重的山体滑坡。

   lián​rì bào​yǔ dǎo​zhì gāi dì​qū fā​shēng le yán​zhòng de shān​tǐ huá​pō.

   Days of heavy rain caused a serious landslide in the area.

   Source: Dong Chinese Dictionary

2. 由于市场需求下降，该公司的业绩出现了明显滑坡。

   yóu​yú shì​chǎng xū​qiú xià​jiàng, gāi gōng​sī de yè​jì chū​xiàn le míng​xiǎn huá​pō.

   Due to falling market demand, the company's performance has seen a significant downturn.

   Source: Dong Chinese Dictionary