引
线
穿
针
y
ǐ
n
x
i
à
n
c
h
u
ā
n
z
h
ē
n
Definitions
1. a pull-through to thread a needle
2. fig. to act as go-between
Components
引线
yǐn xiàn
–
fuse (for an explosive device)
穿针
chuān zhēn
–
thread