Correct

尘封

/ chénfēng /
Strokes

Definition

covered in dust/dusty/lying unused for a long time

Example

As a Verb

be covered all over with dust/dirt; be dust-laden—be laid idle for a long time

1
Zhèxiē
这些
shū
书籍
bèi
chénfēng
尘封
shí
nián
zhī
jiǔ
  

These books were covered with dust for ten long years.

2
Chénfēng
尘封
de
chuānghu
窗户

grimy window; window coated with grime