Eng: Classified...

秘

Clandestine, Classified, Confidential, Hidden, Mysterious, Secret, Unknown

分類

Categorize, Categorized, Categorizes, Categorizing, Classified, Classifies, Classify, Classifying, To categorize, To classify

封為了

Classified, Labelled, Named

(Classify, Label, Name, Because, For, For the sake, So that…)

機密

Classified, Confidential, Privileged, Secret