形容词
中文翻译：闲置的
同义词：
['unused', 'vacant', 'idle-hearted']
例句：
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1. The house is idle for the summer vacation.
这所房子在暑假期间闲置着。
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2. He was idle for a while before he decided to take action.
他决定采取行动之前，曾一度无所事事。
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3. The idle hours were filled with reading and writing.
那些空闲时间被阅读和写作填满了。