If people or animals gnaw something or gnaw at it, they bite it repeatedly.
例句
Woodlice attack living plants and gnaw at the stems...木虱会侵害活体植物并啃咬它们的茎。Melanie gnawed a long, painted fingernail.梅拉妮咬着涂过指甲油的长指甲。
VERB
折磨;使不安
If a feeling or thought gnaws at you, it causes you to keep worrying.
例句
Doubts were already gnawing away at the back of his mind...心底的疑团已经开始困扰他。Mary Ann's exhilaration gave way to gnawing fear.玛丽·安从欣喜若狂变得忧惧不安。
英汉词典释义
vt. & vi.
咬, 啃
The farmer’s dog has been gnawing away on a bone under the table.那农夫的狗一直在桌子底下啃骨头。Some of the furniture in this old house has been gnawed away by rats.这所房子里的一些家具已被老鼠咬坏了。
(长时间) 折磨某人
These doubts had been gnawing at him for some time.这些疑虑已经折磨他一段时间了。
(长时间)危害某事物
His attitude towards her gnawed away at her confidence.他对她的态度一直在削弱她的自尊心。