cutting/ 'k^tɪŋ /

1.noun [c] [BRIT] 
(from newspaper) 剪报[美 = clipping] 
2.noun [BRIT] [Railway] 
路基[美 = cut] 
3.noun
(from plant) 插条

4.adjective [+remark] 
尖刻的

at the cutting edge of sth
在某事的前沿