7 sentences

1. 我们正在等待援军。

   wǒ​men zhèng​zài děng​dài yuán​jūn.

   We are waiting for reinforcements.

   Source: OpenSubtitles

2. 我们的援军很快就会到达。

   wǒ​men de yuán​jūn hěn kuài jiù huì dào​dá.

   Our reinforcements will arrive soon.

   Source: Dong Chinese Dictionary

3. 我需要几个小时才能调来援军。

   wǒ xū​yào jǐ gè xiǎo​shí cái néng diào lái yuán​jūn.

   It'll take a few hours for me to get reinforcements.

   Source: OpenSubtitles

4. 由于援军未到，这座城市最终陷落了。

   yóu​yú yuán​jūn wèi dào, zhè zuò chéng​shì zuì​zhōng xiàn​luò le.

   The city finally fell because reinforcements did not arrive.

   Source: Dong Chinese Dictionary

5. 援军及时赶到，接应了被围困的部队。

   yuán​jūn jí​shí gǎn​dào, jiē​yìng le bèi wéi​kùn de bù​duì.

   Reinforcements arrived in time to relieve the besieged troops.

   Source: Dong Chinese Dictionary

6. 援军终于赶到，为被围困多日的城堡解围。

   yuán​jūn zhōng​yú gǎn​dào, wèi bèi wéi​kùn duō rì de chéng​bǎo jiě​wéi.

   Reinforcements finally arrived to lift the siege of the castle.

   Source: Dong Chinese Dictionary

7. 在没有任何援军的情况下，这支部队依然在孤军奋战。

   zài méi​yǒu rèn​hé yuán​jūn de qíng​kuàng xià, zhè zhī bù​duì yī​rán zài gū​jūn​fèn​zhàn.

   This unit continues to fight alone without any reinforcements.

   Source: Dong Chinese Dictionary