sadly

sadly
adverb
  1. showing or feeling sadness
    悲哀地,伤心地;难过地
    he smiled sadly.
    他苦笑了一下。
    ■[sentence adverb]it is a sad or regrettable fact that; unfortunately
    可惜,不幸;遗憾的是
    sadly, the forests of Sulawesi are now under threat.
    遗憾的是,苏拉威西森林现在正受到威胁。
    ■[as submodifier]to a regrettable extent; regrettably
    令人遗憾地;可悲地
    his schemes went sadly awry.
    很遗憾他的计划失败了。
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