regretfully
01
遗憾地, 懊悔地
used to express a sense of sorrow or remorse
例子
Regretfully, we have to inform you that the event has been canceled due to unforeseen circumstances.
遗憾地, 我们不得不通知您，由于不可预见的情况，活动已被取消。
Regretfully, the error in the report was not noticed until after its distribution.
遗憾的是，报告中的错误直到分发后才被注意到。
词汇树
regretfully
regretful
regret
