4 sentences

1. 军队成功夺回了失地。

   jūn​duì chéng​gōng duó​huí le shī​dì.

   The army successfully reclaimed the lost territory.

   Source: Dong Chinese Dictionary

2. 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

3. 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

4. 该国在战争初期不幸失地。

   gāi guó zài zhàn​zhēng chū​qī bù​xìng shī​dì.

   The country unfortunately lost territory in the early stages of the war.

   Source: Dong Chinese Dictionary