adj.不恰当的，不适当的；不合适的；不幸的

His choice of words was infelicitous, causing offense to many in the audience.
他的话语选择不当，冒犯了听众中的许多人。
The timing of her announcement was particularly infelicitous, as it coincided with a string of negative company news.
她宣布的时间点非常不恰当，正值公司一系列负面新闻频发。
The author's attempt at humor fell flat due to an infelicitous joke.
作者试图幽默的一段却因不合时宜的笑话而未能达到预期效果。
Her response to the criticism was infelicitous, making the situation worse.
她对批评的回应不得体，使情况变得更糟。
The actor's delivery of the lines was infelicitous, detracting from the emotional impact of the scene.
演员对台词的演绎不得当，削弱了场景的情感张力。
The marketing campaign was plagued by infelicitous choices, leading to poor results.
这次营销活动的选择诸多不当，导致了糟糕的业绩。
The politician's gaffe during the debate was an unfortunate and infelicitous moment for his campaign.
政治家在辩论中犯下的错误是其竞选活动中的一个不幸且不得体的时刻。
The software update had several infelicitous bugs that caused widespread frustration among users.
软件更新出现了许多令人不悦的错误，让用户感到极度不满。
Her advice, though well-intentioned, was infelicitous, leading to more confusion than clarity.
她的建议虽然出于好意，但却是不得当的，反而增加了困惑。
The designer's fashion show suffered from a series of infelicitous mishaps, including wardrobe malfunctions and miscommunication.
设计师的时装秀遭遇了一系列不得体的意外，包括服装故障和沟通失误。