regretable

1.One minute can be prefect moment, also can be regretable ternity.

钟可以成绝美的时刻，也可以成永世的遗憾。

2.The decision of National Express to break their contract is regretable and disappointing.

“国家快车”这毁约的行为令人叹惜之余，也令人大为失望。