ReadWriteQuiz
Chinese dictionary
slwork one's heart out; make painstaking efforts; take infinite pains; work with might and main
他呕心沥血写了这本书。
He had written the book with great pains.
为了教育事业呕心沥血
spare no effort for the cause of education
synonym
Word usage
- Note"呕" cannot be written as "沤".