“一点一点地咬”可以翻译为 “nibble away (bit by bit)” 或者 “gnaw at (little by little)” 。
“nibble away” 常用来形象地描述一点点地啃、咬的动作，强调动作的缓慢和逐步性。例如：The mouse nibbled away at the cheese.（老鼠一点一点地啃着奶酪。）
“gnaw at” 也有一点点啃咬的意思，同样可表达逐渐进行的状态。例如：The dog was gnawing at the bone little by little.（狗正一点一点地啃着骨头 。）