numb/ n^m /

1.adjective [+fingers] [ toes] [ arm etc] 
麻木的

2.adjective
(through fear,shock) 僵住的

3.vt.[+fingers] [ part of body] 
麻痹

4.vt.[+person] [ senses] 
使失去知觉

to go numb
 [fingers,toes,arm+] 变麻
to be numb with shock/fear/grief
因震惊/恐惧/悲痛而失去知觉
to numb the pain
麻痹疼痛