adj.咬的；痛苦的；折磨人的

動詞gnaw的現(xiàn)在分詞形式.

I've had gnawing doubts about this project for some time. 這個項目已經(jīng)困擾我一段時間了。

At night gnawing pain pierces my bones. 夜間痛苦刺透我骨。

From the ground had risen a gnawing frost that chilled him to the bone. 地面上升起一股刺骨的寒氣，使他冷徹骨髓。