良工苦心

Explanation: Describe the works of outstanding artists, both in the painstaking creative process. Also refers to well-intentioned. 　　Source: Song Liu Bin "sub-Yun Su Zizhan <Han WO MA> gift when Rip Van Winkle": "Do good work painstakingly to far, the secret to subtle dive to." 　　Examples: [Uncle], chiefly this to my parents established the family temple; not only my body somewhere to go, that is, my parents also have asked God, this is a ~. ★ "Children Heroes" back to the second five Thesaurus:  expert craftsmanship is the result of long practice and hard work