6 sentences

1. 漫长的等待消磨了他的斗志。

   màn​cháng de děng​dài xiāo​mó le tā de dòu​zhì.

   The long wait wore down his morale.

   Source: Dong Chinese Dictionary

2. 战士们斗志高昂，随时准备出发。

   zhàn​shì men dòu​zhì gāo'áng, suí​shí zhǔn​bèi chū​fā.

   The soldiers' morale is high, and they are ready to set off at any time.

   Source: Dong Chinese Dictionary

3. 这个好消息扬起了大家的斗志。

   zhè​ge hǎo xiāo​xi yáng​qǐ le dà​jiā de dòu​zhì.

   The good news boosted everyone's morale.

   Source: Dong Chinese Dictionary

4. 这种颓废的音乐容易使人的斗志消沉。

   zhè zhǒng tuí​fèi de yīn​yuè róng​yì shǐ rén de dòu​zhì xiāo​chén.

   This kind of decadent music can easily dampen one's morale.

   Source: Dong Chinese Dictionary

5. 在困难面前，我们必须保持高昂的斗志。

   zài kùn​nan miàn​qián, wǒ​men bì​xū bǎo​chí gāo'áng de dòu​zhì.

   In the face of difficulties, we must maintain high morale.

   Source: Dong Chinese Dictionary

6. 这种颓废的生活方式让他逐渐丧失了斗志。

   zhè zhǒng tuí​fèi de shēng​huó fāng​shì ràng tā zhú​jiàn sàng​shī le dòu​zhì.

   This decadent lifestyle caused him to gradually lose his fighting spirit.

   Source: Dong Chinese Dictionary