心血xīnxuèheart's blood; meticulous care and effort (put into sth)HSK 7-9PronunciationxīnxuèExample sentence这部小说耗费了他毕生的心血。Zhè bù xiǎoshuō hào fèi le tā bìshēng de xīnxuè.This novel cost him a lifetime of meticulous effort.Read and choose an answerOne fixed sampleExplore a sample