2 sentences

1. 那不是只马，是只驴子。

   nà bù​shì zhī mǎ, shì zhī lǘ​zi.

   That's not a horse, it's a donkey.

   Source: Tatoeba

2. 不幸的是，驴子滑倒并掉入河里。

   bù​xìng de shì, lǘ​zi huá dǎo bìng diào rù hé li.

   Unfortunately, the donkey slipped and fell into the river.

   Source: CCMatrix