What does "gnaw at" mean?

To worry persistently For anxiety to constantly trouble the mind.

How do you use "gnaw at" in a sentence?

Something was gnawing at her. Guilt gnawed at him. The problem gnawed at my conscience.

Phrasal Verb BritishAmericanAustralian ★★★☆☆ Moderate Neutral

Meaning: To worry persistently

啃噬，不断困扰

Roer, atormentar

さいなむ、気になり続ける

계속 괴롭히다, 마음에 걸리다

For anxiety to constantly trouble the mind.

焦虑不断地困扰着内心。像啃咬一样慢慢折磨。

Que la ansiedad perturbe constantemente la mente. Atormentar poco a poco como royendo.

不安が絶えず心を悩ませること。齧るように少しずつ苦しめること。

불안이 끊임없이 마음을 괴롭히다.

Base verb: gnaw

Particle: at

Separable: No — the verb and particle stay together

Something was gnawing at her.
有什么东西在啃噬着她的心
Algo la estaba royendo
何かが彼女の心をさいなんでいた
무언가가 그녀의 마음을 계속 괴롭히고 있었다.
Guilt gnawed at him.
内疚在啃噬着他
La culpa lo atormentaba
罪悪感が彼をさいなんでいた
죄책감이 그를 괴롭혔다.
The problem gnawed at my conscience.
这个问题一直在折磨着我的良心
El problema me roía la conciencia
その問題が良心に引っかかっていた
그 문제가 양심에 걸렸다.

Context: worry, persistent, nagging

Tone: troubled

From animals gnawing on things.

Era: Modern

Generation: All ages

Social background: Universal