regrettably

副词

1. 1

   遗憾的是、很不幸、可惜修饰整句

   Regrettably, the concert has been canceled due to bad weather.

   遗憾的是，演唱会因天候不佳而取消了。

2. 2

   令人遗憾地、糟糕地

   The report was regrettably vague about who was responsible.

   这份报告对谁该负责的说明含糊得令人遗憾。