3 sentences

1. 战士们誓死也要收复失地。

   zhàn​shì men shì​sǐ yě yào shōu​fù shī​dì.

   The soldiers swore to fight to the death to reclaim the lost territory.

   Source: Dong Chinese Dictionary

2. 将军挥师北上，准备收复失地。

   jiāng​jūn huī shī běi​shàng, zhǔn​bèi shōu​fù shī​dì.

   The general led his troops north to reclaim the lost territory.

   Source: Dong Chinese Dictionary

3. 战士们誓死要收复被占领的领土。

   zhàn​shì men shì​sǐ yào shōu​fù bèi zhàn​lǐng de lǐng​tǔ.

   The soldiers vowed to fight to the death to recover the occupied territory.

   Source: Dong Chinese Dictionary