"gnaw an old cracker"
"Her confidence eroded"
In the loft the rats had gnawed great holes in the floor.
He..sat down contentedly to gnaw the fine bone.
Philip made a hearty meal and gnawed on the bones like Henry VIII.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)