Correct

加封

/ jiāfēng /
Strokes

Definition

to seal up (a door with a paper seal, or a document)/to confer an additional title on a nobleman

Example

As a Verb

seal up (a document, door, etc)

1
Gěi
机密
wénjiàn
文件
guìzi
柜子
jiāfēng
加封

seal up a confidential filing cabinet

As a Verb

confer/grant additional titles or territories to the nobles (in the past)