To be like taking candy from a baby.

做某事简直易如反掌。

Selling that guy software was like taking candy from a baby.

卖给那个人软件简直就是小菜一碟。

He could have demanded more, but that would have been like taking candy from a baby.

他本可以要价更高，但是那就像从小孩手里抢糖果一样。

It's like taking candy from a baby.

简直是宝宝手里抢糖吃。