动词
中文翻译：Unknown
同义词：
['1. 动词：tie', 'knot', 'tangle', 'confound']
例句：
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1. She tried to untie the rope but couldn't manage it.
她试图解开绳子但做不到。
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2. The knot in the rope was too tight to be untied easily.
绳子上的结太紧了，不容易解开。
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3.The conundrum of the puzzle remained unsolved for days.
这个谜题几天都解不开。