最基本的你可以说Of primary basic
最肤浅的你可以说superficial或 have all one's goods in the window都可以
基本的是basic
最基本的是fundamental
e.g.Fundamental reasons
肤浅的是superficial
最肤浅的是the most superficial
e.g.Only the most superficial mind would assert nowadays that man is a reasonable creature.
the most essential 最基本的
the most superfacial 最肤浅的
肯定对
口语的话说the ABCs就可以了, 包括最基本的, 最肤浅的和最容易的意思
最基本 the most fundamental
最肤浅 the most shallow