呕心沥血

Explanation: Vomiting: vomiting; Lek: drop by drop. Analogy exhausted mind. Many described as a career, work, literary and artistic creation such as the hard heart. 　　Usage: Joint type; as predicate, attributive, adverbial; with compliment 　　Source: Tang Han Yu "return Pengcheng" poem: "rip the liver that paper, speech writing Lek blood." 　　Examples: ~, Acura socialism, welcomed by the masses. (Zang "in Lao She never") Thesaurus:  go to great pains, deliberately planning, work hard and carefully to keep one's business going, elaboration, painstaking accomplishment, rack one's brains, Deep thinking, make extraordinarily painstaking efforts, lucubrate, Bruising, cudgel one's `brains think very hard, Of peaceful contemplation search for, think twice about doing sth., Puzzle, to manage with great pain Antonym Group:  Lver Caogu, regard … as a trifling matter