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。