不费吹灰之力
English Expression:
  1. n.  effortlessly; as easy as to blow away the dust; with the slightest effort
  2. n.  Effortlessly
  3. n.  as easy as to blow away the dust
  4. n.  with the slightest effort
  5. n.  as easy as blowing off dust - not needing the slightest effort
French Expression:
  1. adv.  sans le moindre effort, C'est aussi facile que de souffler la poussière