动词短语
中文翻译：Unknown
同义词：
['blow off', 'takeoff the subject']
例句：
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1.The meeting was supposed to focus on business, but he kept talking about his vacationplans.
会议本应讨论业务，但他却一直在谈论他的假期计划。
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2. She flewoff at a tangent when she startedtalking about her family.
当她开始谈论她的家庭时，她跑题了。
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3. Hedecided to fly off at a tangentbecause he didn't want to talkabout work.
他决定偏离正题，因为他不想谈论工作。