2 sentences

1. 他深信水中有一只怪物。

   tā shēn​xìn shuǐ zhōng yǒu yī zhī guài​wu.

   He's convinced there's a monster in the water.

   Source: OpenSubtitles

2. 她深信家里的所有鞋子都完全毁了。

   tā shēn​xìn jiā​lǐ de suǒ​yǒu xié​zi dōu wán​quán huǐ le.

   She was convinced that all the shoes in the house were completely ruined.

   Source: CCMatrix