regrettable

形容词 regrettable:

1. deserving regret
   同义词：too bad

1. His behaviour at the party was most regrettable.
   他在宴会上的作为令人深为遗憾。
2. It was regrettable that such great issues had to be the thrust and parry of a general election. But at least the debate should be constructive.
   如此重大的问题不得不成为大选中人们激烈辩论的议题，这很令人遗憾。可这场辩论至少应该是建设性的。
3. It's regrettable that you diddled away the whole afternoon.
   真可惜，你把整个下午浪费掉了。
4. It is regrettable that few people shall walk today because of the development of traffic facilities.
   由于交通设施的发展，现在很少人愿意步行，这是很可惜的。

re.gret.ta.ble

adj.（形容词）
Eliciting or deserving regret:
令人后悔的：引发或值得后悔的：
例句：
a regrettable lack of funds; regrettable remarks.
令人遗憾的资金缺乏；令人遗憾的评论