(1) ①unfortunate意为“不幸的，倒霉的，运气不好的”，较正式，语气也较强。
- It was unfortunate that he broke his leg while skating.
他真是倒霉，在滑冰时摔断了腿。 - Do you know what unfortunate thing happened to that old lady?
你知道在那位老太太身上发生了什么不幸？ - It's very unfortunate that he became an orphan after the floods.
他在洪灾之后成了一名孤儿，非常不幸。
②unfortunate又可作“不成功的，不恰当的，令人遗憾的”解。
- His unfortunate career seemed doomed from the very beginning.
他的不成功的职业生涯似乎是从一开始就被注定了的。 - He was unfortunate in business.
他在商界是不成功的。 - His unfortunate remark made her unhappy.
他的不合时宜的话让她很不高兴。
(2) unlucky意为“不幸的，不巧的，倒霉的”，与unfortunate相比，语气较随便。
- By some unlucky chance, the train was late.
由于一些不凑巧的原因，火车晚点了。 - I'm unlucky at cards — I've never won even once.
我打牌时总是不走运——我从未赢过一次。 - The company was unlucky in having for its manager a man like him.
公司拥有像他这样的经理确实是够倒霉的。 - I was unlucky to have missed the train.
很不幸，我错过了这趟火车。
(3) unhappy除表示“不愉快，痛苦”外，还作“不幸的，不明智的，不恰当的”解。
- Investing in that firm was an unhappy venture.
投资于那家公司是一件不幸的事情。 - You shouldn't have made such an unhappy remark on such an unhappy occasion.
在这样的一个不愉快的场合下你不应该说这种不恰当的话。
(4) down on (one's) luck指“运气不佳，处境艰难”。
- The teacher is easy on Jane, because Jane has been down on (her) luck lately.
老师对简很温和，因为她近来运气不佳。 - He has been down on his luck recently — he has suffered successive losses in business.
他最近处境艰难——他在生意上遭遇到一连串的损失。
(5) inauspicious主要用于事物，意为“不吉利的，凶兆的，不利的”。
- That was an inauspicious day for us — our ship was wrecked in a storm off the coast of Africa.
那天对我们来说是不吉利的一天——我们的船在非洲外海的暴风雨中撞坏了。
(6) out of luck用作表语，指“运气不佳”。
- When we at last reached the railway station, we were out of luck — the train had just gone.
当我们最终到达火车站时，我们倒霉极了——火车刚刚开走。
