inroad
/ˈɪnrəʊd/noun
1
- （一般作make inroads in/into/on）an instance of something being affected, encroached on, or destroyed by something else侵袭; 侵占; 破坏：
the firm is beginning to make inroads into the UK market
公司开始进入英国市场
serious inroads had now been made into my pitiful cash reserves.
现在我可怜的存款已所剩无几。
2
- a hostile attack; a raid敌对攻击; 突袭：
the inroads and cross-border raiding of the Grahams.
格雷厄姆家族的敌对攻击和越界突袭。
词源