These doubts had been gnawing at him for some time.

这些疑虑已经折磨他段时间了。

The farmer’s dog has been gnawing away on a bone under the table.

那农夫在桌子底下啃骨头。

Some of the furniture in this old house has been gnawed away by rats.

这所房子里些家具已老鼠咬坏了。

He was afflicted always with a gnawing restlessness.

他老种叫人苦恼不安情绪折磨着。

The rat gnawed a hole in the wooden box.

老鼠在木箱子上咬了个洞。

His attitude towards her gnawed away at her confidence.

他对她态度在削弱她自尊心。

Grief gnaws my heart.

悲伤折磨着我。

Rats have gnawed a hole.

老鼠咬了个洞。

Anxiety gnawed at his heart.

他忧心如焚。