thread/ θrεd /

1.noun [c/u] 
(yarn) 线

2.noun [c] [of screw] 
螺纹

3.noun [c] 
(of story,account) 思路

4.vt.[+needle] 
穿

5.vt.
(join with string) 串

to thread one's way between/through
小心翼翼地穿过