惨淡经营

Explanation: Bleak: bitter bother; business: planning. Painstaking planning hard to operate. After a difficult situation that is struggling to engage in some kind of career. 　　Usage: Partial official; as the predicate attribute; to plan and work hard to describe 　　Source: Tandoori Fu "General Cao Ba Dan-lead gift": "Chao-fu silk that general factors, are struggling to survive in the artistic conception." 　　Examples: ~ After that, the houses, the streets of the slums on that is simply a very clean room was. (Fen "experience hard going after") Thesaurus:  go to great pains, deliberately planning, 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, make painstaking efforts, think twice about doing sth., Puzzle, to manage with great pain Antonym Group:  Lver Caogu, regard … as a trifling matter