ㄓㄣˋzhènㄍㄜㄉㄞˋdàiㄉㄢˋdàn

  1. 武器等待天明形容時時警惕準備作戰不敢安睡晉書··劉琨》:枕戈待旦先吾著鞭。」常備不懈醉生夢死

to wait for dawn, one's head resting on a spear (idiom)​, fully prepared and biding one's time before the battle
Gewehr bei Fuß stehen