抜ぬけ穴あな

noun

secret passage; underground passage; escape tunnel

A hidden or secret passage, often underground, used for escape or covert movement.

• 城しろには敵てきに気きづかれずに外そとへ出でられる抜ぬけ穴あながあった。

  The castle had a secret passage that allowed one to get outside without being noticed by the enemy.

noun

loophole; gap in the rules

A figurative gap or flaw in a system, law, or argument that allows one to circumvent restrictions.

• この法ほう律りつには抜ぬけ穴あなが多おおく、悪あく用ようされる恐おそれがある。

  This law has many loopholes and may be exploited.

noun

hole to pass through; opening; gap

A literal hole or opening that one can pass through, such as in a fence or wall.

• 塀へいに小ちいさな抜ぬけ穴あながあって、猫ねこが出で入いりしている。

  There is a small hole in the wall that the cat uses to go in and out.