gnaw: vt.(gnawed; gnawed, gnawn)1.咬,啃;咬断。2.使腐蚀;侵蚀;消耗。3.使苦恼,折磨。vi.1.咬,齿啃 (at; into)。2.侵蚀,消耗。3.折磨,苦恼。短语和例子Anxiety and distress gnawed at his heart. 焦虑和烦恼使他痛苦。 gnaw away[off] 咬去。 gnaw through 咬断,咬穿
gnawing: n.咬,不断的苦痛。adj.咬的;使人苦恼的。 a gnawing animal 诣啮齿动物。adv.-ly