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遗憾地, 不幸地
in a manner expressing sorrow, disappointment, or a sense of apology
- Regrettably, due to unforeseen circumstances, the outdoor event has been canceled.
遗憾的是, 由于 unforeseen circumstances, 户外活动已被取消。
- The manager informed the team that, regrettably, the project deadline would need to be extended.
经理通知团队，遗憾的是，项目截止日期需要延长。
- Regrettably, the airline had to cancel the flight, inconveniencing passengers who had planned their trips.
遗憾的是，航空公司不得不取消航班，给计划旅行的乘客带来了不便。
- Regrettably, the museum was closed for renovations during the tourist's visit.
遗憾的是，博物馆在游客参观期间因装修而关闭。
- Regrettably, the team lost the championship game, despite their hard work and dedication.
遗憾的是, 尽管他们努力工作并全心投入，团队还是输了冠军赛。
反义词：