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。
The rise of online streaming services has made considerable inroads into traditional television viewership.
オンラインストリーミングサービスの台頭は、従来のテレビ視聴者にかなりの進出を果たしました。
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。
The surprise attack by enemy forces caught the defenders off guard, resulting in swift inroads into their territory.
敵軍の奇襲攻撃は防衛側を不意打ちにし、彼らの領土への迅速な侵入をもたらした。
03
進展, 突破口
a success that is achieved, particularly as a result of destroying or reducing the success of another thing
