形容词
中文翻译：空闲的
同义词：
['unoccupied', 'idle', 'inactive', 'unproductive', 'inactive']
例句：
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1. The children were idling on the grass after school.
孩子们放学后在草地上闲逛。
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2. The idle days of summer are over now.
夏天悠闲的日子已经结束了。
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3.He was idle at home all day, not doing anything productive.
他整天在家无所事事，什么也不做。