“heads up”是英语日常沟通的高频口语短语,核心含义为“提醒;注意”,用于提前告知对方需关注的信息或潜在情况。日常场景中常作即时提醒,如警示安全(“Heads up! There’s a bike coming”);职场多用于提前预警或信息同步,帮助对方预留应对时间(“Heads up: the client sent an urgent revision request”);非正式场景则是轻松的礼貌性告知(“Heads up, the party is moved to Saturday”)。需注...