無む灯とう火か

noun

without lights; unlit

Typically used for vehicles (bicycles, cars) traveling at night without headlights or taillights on. Often appears in traffic safety contexts.

• 夜や間かんの無む灯とう火か走そう行こうは非ひ常じょうに危き険けんです。

  Riding without lights at night is extremely dangerous.

• 警けい察さつは無む灯とう火かの自じ転てん車しゃを取とり締しまっている。

  The police are cracking down on bicycles without lights.