劳心焦思

Explanation: Scheming, pondering anxiety 　　Usage: Combined; as predicate; refers to wrestling 　　Source: Western Han Qian, "Records of the Historian summer of the century": "Yu not hurt by the deceased parent Gun power to punish, the workers are anxious thinking, living outside the thirteen years, too afraid to enter the house." 　　Examples: The president - a few scrap eat or sleep. ★ Caidong Fan Xu hut Father "Popular Romance of the Republic," the fifteenth back Thesaurus:  break one's brains, heart, Ruchirumi, absorption