动词
中文翻译：窃听
同义词：
['listen in on', 'eavesdrop on']
例句：
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1.They were eavesdropping on the conversation at the party.
他们在派对上偷听对话。
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2.The police were eavesdropping on a suspect's phone calls.
警方正在监听嫌疑人的电话。
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3. It's illegal to eavesdrop on someone's private conversations.
偷听别人的私人对话是违法的。