プログレッシブ和英中辞典(第4版)の解説
くいこむ【食い込む】
❷〔他の領域に入る〕encroach ((upon));make inroads ((into, on))
相手の選挙地盤に食い込む
encroach upon the constituency of another candidate
彼は主流派にしっかりと食い込んでいた
He had a secure foothold in the mainstream faction.
中国の製品が世界市場に食い込んできた
Products made by China are making inroads on [into] the world market.
会議が延びて昼休みに食い込んだ
The meeting ran overtime and cut into the noon recess.
❸〔予算を超過し他の費用を使う〕
今月は50万円予備費に食い込んでしまった
We had to dip into our reserve fund for 500,000 yen this month.