請問 "The devil is in the details" 點解?

解釋係:
冇表面睇落咁簡單; i.e. 困難係在細節.
(因為世人都相信devil係鍾意為難他們)

e.g. Reread the rubric for the assignment--the devil is in the details!
讀多一次那個作業指示你先會發現 -- 困難係在那些細節!
(亦即說: 沒有你想得那麼簡單, 或看到那麼簡單)

希望幫到你!