adv.悲哀地；遗憾的是；极为
Her head drooped sadly. 她悲哀地垂着头。
Sadly, we could only stay there for three weeks. 令人遗憾的是,我们只能在那儿呆三周。
Sadly, many people find it difficult to apologize. 令人悲哀的是，许多人发现道歉很困难。
Sadly, it was an achievement that her mother never lived to see. 很可惜,她的母亲没能活着看到她的这一天。
He must be sadly lacking in intelligence. 他的智力一定极为贫乏。
