► 形容動詞単純  [たんじゅん]    
meaning:  simple  rank: 2☆ なんて単純な
奴 ⇨ What a simple, stupid, guy
☆ 
世の
中はそんなに単純ではない ⇨ The human world is not that simple
More examples:- 志は立派だが現実はそう単純ではない ⇨ Your ideal is noble, but the reality is not that simple
 - 難しい物理の概念を単純明快に解説した本 ⇨ A book that explain difficult physics concepts simple and clear