2 sentences

1. 老人咽下了最后一口气。

   lǎo​rén yàn​xià le zuì​hòu yī kǒu qì.

   The old man breathed his last.

   Source: Tatoeba

2. 他喝了口水，把药片咽下。

   tā hē le kǒu shuǐ, bǎ yào​piàn yàn​xià.

   He took a sip of water and swallowed the pill.

   Source: Dong Chinese Dictionary