封闭

to seal / to close / to confine / to seal off / to close down / sealed / confined / closed / unreceptive

to close; to seal off / to close down (an illegal venue) / closed (i.e. isolated from outside input)

surname Feng

to confer / to grant / to bestow a title / to seal / classifier for sealed objects, esp. letters

to close / to stop up / to shut / to obstruct