惨澹经营

Explanation: Also as "highly confidential." ① originally referred to with the pale color before painting sketch outline, painstakingly conceived, operating position. Southern Qi Sheikh "paintings goods recorded" Six paintings to operate one location. ② extended that plan and to engage in a painstaking thing. Tandoori Fu "General Cao Ba Dan-lead gift": "Chao-General means that the silk elements, artistic conception dismally in." 　　Source: Tandoori Fu "General Cao Ba Dan-lead gift," Chao said that the general brush silk elements, artistic conception struggling operations. " 　　Examples: While I admire the most natural friends ~, but he also remembered the words of Dickens criticism critics ... ... ★ Mao Dun, "the hope of ready-made" 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, make painstaking efforts, think twice about doing sth., Puzzle Antonym Group:  Lver Caogu, regard … as a trifling matter