Self-doubt began to gnaw away at her confidence.

对自己的怀疑渐渐吞噬了她的自信心。

《牛津词典》

All the challenges posed by the harsh realities of life began to gnaw away their dreams and love for each other.

残酷的现实开始啃啮他们的梦与爱，并使它们从他们彼此间逐渐淡化。

youdao

Did you know? Although chipmunks hibernate, they do not store fat. Instead they slowly gnaw away at their summer bounty throughout the winter.

你知道吗？虽然花栗鼠会冬眠，它们不会储存脂肪。而是在整个冬天把夏天给它们带来的慷慨食物慢慢啃光。

youdao

No wonder: Such copycat drugs gnaw away billions of dollars in sales for the giants.

FORBES: Magazine Article

Many pharmaceutical companies are struggling as expiring patents allow cheap generic drugs to gnaw away at their sales.

FORBES: Magazine Article

Higher taxes on dividends will gnaw away at shareholder wealth.

FORBES: Too High To Notice The Bubbles?