轻装上阵

Explanation: Originally referred to the lightly armed soldiers dressed in combat, is now thought to lay down the burden of metaphor to work. 　　Usage: Partial official; as predicate; with compliment 　　Source: "Wen Wei Po" 1983.1.6: "As a result, young people thinking of reducing the burden, without reservation, give full play to creative talent." Thesaurus:  be a load off one's mind