Inroad
01
進出, 浸透
a gradual advance or penetration that weakens or reduces strength, influence, or effectiveness
例
The company 's aggressive marketing strategy made significant inroads into its competitor's market share.
その会社の積極的なマーケティング戦略は、競合他社の市場シェアに大きな進出をもたらした。
02
侵入, 襲撃
a sudden and often hostile invasion or raid into a territory or area
例
The barbarian tribes made significant inroads into the kingdom's borders, pillaging villages along the way.
野蛮な部族は王国の国境に重大な襲撃を行い、途中の村を略奪した。
03
進展, 突破口
a success that is achieved, particularly as a result of destroying or reducing the success of another thing
