(1) unfortunately意为“不幸的是，遗憾的是，偏巧”。
- Unfortunately I didn't understand her intentions.
遗憾的是我不理解她的意图。 - I'd like to come but unfortunately I can't.
我很想来，但遗憾的是我无法前来。 - Unfortunately I was away from home when he called.
很不巧，他来访时我不在家。
(2) unluckily指“不幸的是，凑巧的是”。
- Of the state of affairs, we unluckily hear nothing.
关于形势，不巧我们什么也没听到。 - I do want to go to the party, but unluckily I've hurt my leg.
我确实想去参加晚会，但不幸的是我的腿受伤了。 - Unluckily he was out when I went to see him.
当我去看他时，他偏巧出去了。
(3) as luck/ill luck would have it意为“偏巧，好像命运安排的一样”，表示“有幸”或“不幸”。
- As luck would have it , a doctor happened to be there when she fainted.
幸运的是，当她昏倒时恰巧有个医生在场。 - As ill luck would have it , there was a sudden gust when the fire broke out.
非常不凑巧，起火时突然刮起一阵大风。
