in·road
noun/ˈɪnrəʊd/
/ˈɪnrəʊd/
Idioms - inroad (into something) something that is achieved, especially by reducing the power or success of something else
（尤指通过消耗或削弱其他事物取得的）进展 - This deal is their first major inroad into the American market.
这交易是他们进军美国市场的首次重大收获。
Word Originmid 16th cent. (originally referring to a hostile attack or raid): from in + road (from an early use in the sense ‘riding’). - This deal is their first major inroad into the American market.
Idioms
make inroads into/on something
- if one thing makes inroads into another, it has a clear and definite effect on the second thing, especially by reducing it, or influencing it
消耗，削弱，影响（某事物） - Tax rises have made some inroads into the country's national debt.
增加税收已使国债有所减少。 - By the 1950s, television had made great inroads into the territory of the news magazines.
到了 20 世纪 50 年代，电视已经大举进军新闻杂志的领域。
- Tax rises have made some inroads into the country's national debt.