Definition
to gradually diminish something over time
慢慢消耗；逐步蠶食
Their funds were being nibbled away at by the ever-increasing expenses.
他們的資金被不斷增加的費用逐漸消耗掉了。
These old issues are nibbling away at the company's business gradually.
這些老問題正在逐步蠶食公司的業務。
If not attended to, the crumbling building might be nibbled away at slowly.
如果不加以處理，這棟搖搖欲墜的建築可能會被慢慢侵蝕。