心血

tā bǎ zhōng shēng xīn xuè xiàn gěi le jiào yù shì yè

他把终生心血献给了教育事业。

All his life he gave his heart and soul to education.

tā fèi le hěn dà de xīn xuè xiě nà piān wén zhāng

他费了很大的心血写那篇文章。

He sweated blood over that article.

cǐ shū níng jù zhe tā bì shēng de xīn xuè

此书凝聚着他毕生的心血。

This book embodies the painstaking efforts of his whole life.

huā fèi zhū duō xīn xuè

花费诸多心血

take great pains

xīn xuè de jié jīng

心血的结晶

the fruit of painstaking labour