不费吹灰之力

Explanation: Very easy to describe things to do, do not spend a little effort. 　　Usage: Complex sentence; as the predicate clause; describe things easy 　　Source: Qing Liu E, "Travels" 17 back: "He heard a letter to the Lao, Futai have such a letter from, if the thing for him to do that, since little effort." 　　Examples: He heard a letter to Lao, Futai such a letter from then, if things for him to do that, since ~, some proper, so we drifted price laugh. (Qing Liu E, "Travels" Seventeenth back) Thesaurus:  just a small effort Antonym Group:  Sleep thatch rest the head on lumps of clay, regard the sky as a curtain,regard the earth as a mat, Mayuepifeng, Bilulanlv, Arduous, Bilulanlv, Wicker Road in(rags and) tatters, Cao Xing bivouac, Piper Road worn-out dress, Bilulanlou, In(rags and) tatters wicker, bamboo Road, Bivouac Wind meal, live rough, Meal wind and rain, Canfengyinlu