quagmires
n.
沼泽地，泥潭( quagmire的名词复数 );
例句:
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The deer, looking soaked, leave quagmires, where they pass.
湿淋淋的野鹿经过的地方, 留下了一个个的泥塘.
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Mr. Mayne does not deal in dubious recall or venture into questionable aesthetic quagmires.
来自WSJ
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The second category of pitfall includes major quagmires that require enormous of amounts of time, money and trouble to resolve.
来自WSJ