名词
中文翻译：闲聊
同义词：
['chat', 'chit-chat', 'chatter']
例句：
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1.They were having a good by-talk about their weekend plans.
他们正在愉快地聊着他们的周末计划。
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2. The teacher often uses by-talk to engage students in class discussions.
老师经常用闲聊来激发学生在课堂上的讨论。
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3. During the break, they would often have by-talk with each other.
休息时间，他们会互相聊天。