inroad

详细解释:n. 侵入, 得手, 侵害
【法】 袭击, 侵犯, 损害

英语解释：

名词 inroad:

an encroachment or intrusionan invasion or hostile attack

例句：

Hospital bills had made deep inroads into her savings.住院的花销用去她一大笔积蓄。