形容词
中文翻译：空闲的
同义词：
['unoccupied', 'unemployed', 'idle away']
例句：
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1. The children are idling on the swings in the park.
孩子们在公园的秋千上闲逛。
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2. He spent his entire life idling away in a small town.
他一生都在一个小镇里无所事事。
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3. Idle time can be a great opportunity to learn new skills.
空闲时间可以是一个很好的学习新技能的机会。