导
火
线
d
á
o
d
ǎ
o
h
u
ǒ
h
u
ǒ
x
i
à
n
x
i
à
n
Definitions
1. fuse (for explosives)
2. (fig.) proximate cause
3. the last straw
Components
导
dǎo
–
to transmit
火线
Huǒ xiàn
–
PN:FireWire (IEEE 1394 data-transfer interface)