4 sentences

1. 他为正义事业洒下热血。

   tā wèi zhèng​yì shì​yè sǎ​xià rè​xuè.

   He shed his blood for the cause of justice.

   Source: Dong Chinese Dictionary

2. 听完这段热血的演讲，大家都深受鼓舞。

   tīng wán zhè duàn rè​xuè de yǎn​jiǎng, dà​jiā dōu shēn shòu gǔ​wǔ.

   Everyone was deeply inspired after listening to this passionate speech.

   Source: Dong Chinese Dictionary

3. 战士们为了保卫祖国，甘愿抛头颅洒热血。

   zhàn​shì men wèi​le bǎo​wèi zǔ​guó, gān​yuàn pāo tóu​lú sǎ rè​xuè.

   The soldiers were willing to sacrifice their lives and shed their blood to defend their country.

   Source: Dong Chinese Dictionary

4. 鸟类和哺乳动物一样，都是热血的。

   niǎo​lèi hé bǔ​rǔ​dòng​wù yī​yàng, dōu shì rè​xuè de.

   Birds, like mammals, are warm-blooded.

   Source: Dong Chinese Dictionary