inroad
/ˈɪnrəud; `ɪnˌrod/ n
(esp pl 尤作复数)
1 ~ (into sth) sudden attack on another's territory; raid 突然侵袭他人领地; 突袭
inroads into enemy territory 突袭敌国领土.
2 (idm 习语) make inroads into/on sth gradually use up or consume more and more of sth; lessen the amount of sth available 消耗某物
Hospital bills had made deep inroads into her savings. 住院的花销用去她一大笔积蓄.
Already the children had made considerable inroads on the food. 孩子们早已吃掉不少食物.