freeze to death 冻死
be sensitive to weather changes 对天气变化敏感
weather forecast 天气预报
turn cold all of a sudden 突然变冷
foggy / dense / heavy fog 雾天/浓雾
snowstorm 暴风雪
warm up 转暖
become / get worse (天气)变糟
sunny / clear up 晴天/变晴
mild / agreeable 温和
shower / downpour 阵雨/大雨
the unreliable weather forecast不可信的气象预测