轻而易举地做某事
to do something quickly and easily
  Heather made light work of painting the walls. 希瑟轻而易举地刷完了墙。 
 You made light work of that chocolate cake (= you ate it quickly)! 你三两下就把巧克力蛋糕吃光了! 
 The men made light work of moving all the boxes upstairs.
 She made light work of the journey in her new sports car.
 A chainsaw makes light work of cutting up the wood.
 See also: light adjective (NOT SEVERE)