needle/ 'niːdl /

1.noun [c] 
(for sewing) 针

2.noun
(for knitting) 编织针

3.noun
(for injections) 注射针

4.noun
(on record player) 唱针

5.noun
(on dial) 指针

6.noun
(on pine tree) 针叶

7.vt.[inf] 
(nag) 刺激