9 sentences

1. 他多年的心血毁于一旦。

   tā duō nián de xīn​xuè huǐ yú yī​dàn.

   His years of hard work were ruined in an instant.

   Source: Dong Chinese Dictionary

2. 这部作品凝聚了他多年的心血。

   zhè bù zuò​pǐn níng​jù le tā duō nián de xīn​xuè.

   This work is the culmination of years of his painstaking effort.

   Source: Dong Chinese Dictionary

3. 这部作品灌注了他毕生的心血。

   zhè bù zuò​pǐn guàn​zhù le tā bì​shēng de xīn​xuè.

   This work is the culmination of his life's efforts.

   Source: Dong Chinese Dictionary

4. 这部作品凝聚了作者多年的心血。

   zhè bù zuò​pǐn níng​jù le zuò​zhě duō nián de xīn​xuè.

   This work embodies years of the author's hard work and dedication.

   Source: Dong Chinese Dictionary

5. 他将毕生的心血都付与了科学研究。

   tā jiāng bì​shēng de xīn​xuè dōu fù yǔ le kē​xué yán​jiū.

   He devoted his life's blood to scientific research.

   Source: Dong Chinese Dictionary

6. 他在这个项目上投注了大量的心血。

   tā zài zhè gè xiàng​mù shàng tóu​zhù le dà​liàng de xīn​xuè.

   He put a lot of heart and soul into this project.

   Source: Dong Chinese Dictionary

7. 他多年的心血在这场大火中毁于一旦。

   tā duō nián de xīn​xuè zài zhè cháng dà huǒ zhōng huǐ​yú​yī​dàn.

   His years of hard work were destroyed in an instant by the fire.

   Source: Dong Chinese Dictionary

8. 为了完成这个项目，他付出了很多心血。

   wèi​le wán​chéng zhè​ge xiàng​mù, tā fù​chū le hěn​duō xīn​xuè.

   He put a lot of effort into completing this project.

   Source: Dong Chinese Dictionary

9. 这部长篇小说是这位作家花费多年心血完成的力作。

   zhè bù cháng​piān xiǎo​shuō shì zhè wèi zuò​jiā huā​fèi duō nián xīn​xuè wán​chéng de lì​zuò.

   This novel is a masterpiece that the author spent many years of painstaking effort to complete.

   Source: Dong Chinese Dictionary