/rɪˈgretəbl ||; rɪˈgrɛtəbḷ/adj that you should feel sorry or sad about 令人遗憾、惋惜或懊悔的:
It is regrettable that the police were not informed sooner. 警方没有早一点获通报，这是令人遗憾的。 ➔regrettably /-əbli ||; -əblɪ/ adv Regrettably, most hotels are not well-equipped for disabled people.