inroad

名词 inroad:

1. an encroachment or intrusion
2. an invasion or hostile attack

1. Hospital bills had made deep inroads into her savings.
   住院的花销用去她一大笔积蓄。
2. Already the children had made considerable inroads on the food.
   孩子们早已吃掉不少食物。

in.road

n.（名词）
A hostile invasion; a raid.
袭击：一场恶意的侵略；一场袭击
An advance, especially at another`s expense; an encroachment. Often used in the plural:
侵害：进展，尤指以别人的代价；侵犯。常用复数：
例句：
Foreign products have made inroads into the American economy.
进口产品侵害了美国经济

来源：
in
in
road [riding, raid (obsolete)]
road[骑，袭击（废语）]