the work of a moment

• n. 易如反掌的工作；轻而易举的工作

例句

用作名词 (n.)

1. It was the work of a moment to cut off the light.
   切断电源是易如反掌的事。
2. The work of reconstruction is not a boy's play.
   重建工作并非是轻而易举的事。