プログレッシブ和英中辞典(第３版)の解説
ほりぬく【掘り抜く】
dig through ((a wall)); bore ((a hole, a well))
- 山［海底］にトンネルを掘り抜く
bore [dig] a tunnel 「through a mountain [under the sea] - もぐらが土を掘り抜いた
A mole has dug [burrowed] its way through the ground.