封闭

Traditional form:

封閉

Pinyin (reading):

fēngbì

Definitions:

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

Characters:

• 封 - envelope, letter; to confer, to grant; feudal
• 闭 - to shut, to close; to obstruct, to block

Traditional characters:

• 封 - envelope, letter; to confer, to grant; feudal
• 閉 - to shut, to close; to obstruct, to block