密
不
透
风
m
ì
m
ì
b
ú
b
ù
t
ò
u
t
ò
u
f
ē
n
g
f
ē
n
g
Definitions
1. wrapped up tight
2. bundled up tight
3. closed up tight
4. air-tight
Components
密
Mì
–
surname Mi
不
bù
–
(negative prefix)
透
tòu
–
to penetrate
风
fēng
–
wind