凄风苦雨: miserable conditions; bitter winds and miserable rains; bleak wind and wretched rain; chilly winds and cold rains (that instill sadness in a person's mind); wailing wind and weeping rain;
凌晨: in the small hours; before dawn: 7月19日凌晨 in the small hours of july 19; 次日凌晨 in the small hours of the next day; 战斗是在24日凌晨开始的。 the battle started on the early morning of the 24th
