副词
中文翻译：紧接在
同义词：
['suddenly', 'instantly例句：1. He was hard upon the door when he arrived.（他一到达就猛地撞上了门。）2. The sudden rain made us hard upon our coats.（突如其来的雨让我们立刻穿上了外套。）']
例句：
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1. He was hard upon the door when he arrived.
他一到达就猛地撞上了门。
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2. The sudden rain made us hard upon our coats.
突如其来的雨让我们立刻穿上了外套。
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3. She hard upon her words and changed her mind.
她突然改变了主意。