动词短语
中文翻译：Unknown
同义词：
["can't breathe", "can't catch a breath", 'gasp for air', 'struggle for breath']
例句：
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1. He was so tired that he couldn't breathe properly.
他太累了，呼吸都困难。
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2. After running for a long time, she couldn't breathe anymore and collapsed.
跑了很久之后，她再也喘不过气来，倒了下去。
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3. The man struggled for breath as he climbed the steep hill.
那男人在爬陡峭的山坡时挣扎着呼吸。