动词短语
中文翻译：踩在空气上
同义词：
['slip on air', 'trample on air']
例句：
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1. He was treading on air when he made that comment.
他轻率地评论时，踩到了空气。
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2. The company's CEO was treading on air with his new product announcement.
公司CEO在新产品发布会上轻率地发言。
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3. She tried to tread on air by making a joke about the weather.
她试图通过说一个关于天气的笑话来轻率地批评。