nibble away

英 [ˈnɪbl əˈweɪ]

美 [ˈnɪbl əˈweɪ]

（动物）小口地啃; 蚕食; 逐渐影响; 渐渐损坏

He was talking about iOS, but iCloud starts to nibble away at the edges of the traditional file system on Macs and PCs, too.
他说的是iOS，但是iCloud已经开始蚕食Mac和个人电脑的文件系统。
For that reason, Mr Putin may prefer – for now – to use his military to nibble away at smaller targets, such as Moldova.
出于上述原因，普京眼下可能倾向于用武力蚕食摩尔多瓦等较小的目标。
In fact, if you are willing to nibble away at your portfolio's value during retirement, you can generate a decent amount of income, despite today's lowly yields.
实际上，如果你愿意接受退休期间投资组合价值的逐步减少，那么尽管如今的投资收益率较低，你还是能够获得可观数量的收入。
His teeth having all droped out, he could only nibble away at his food.
他的牙都掉光了，只好小口地咬着吃。
Surging domestic demand among Persian Gulf countries also continues to nibble away at available oil exports.
海湾国家国内需求的增长阻碍了原油出口量的增加。
Cemented carbide corporations of China are facing a dual critical situation in which foreign products hold high-end market space and domestic competitors nibble away low-end market. Limited investment in R& D did not pay due dividends.
我国大型硬质合金企业目前面临国外高端产品挤压市场空间和国内同行蚕食中低档市场的双重危局，企业投入的有限的R&D经费未能产生应有的效益。