(1) An unfortunate man would be drowned in a teacup. 

(2) He is unfortunate who cannot bear misfortune. 

(3) I was unfortunate enough to lose my keys.

(4) It was an unfortunate accident.

(5) He was unfortunate to lose in the final round.

(6) An unfortunate conjunction of circumstances led to his downfall.

(7) The treatment has some unfortunate side effects.

(8) It is indeed unfortunate!

(9) He hurled curses at the unfortunate man who had made the mistake.

(10) The unfortunate animal was locked inside the house for a week.

(11) She made a couple of unfortunate slips during the talk.

(12) Some unfortunate person passing below could all too easily be seriously injured.

(13) His speech had an unfortunate sequel, in that it caused a riot.

(14) What lessons can we draw from this unfortunate experience?

(15) I count myself to be unfortunate. Sentencedict.com

(16) My interference had rather an unfortunate result.

(17) You're putting me in a most unfortunate position.

(18) Job losses are an unfortunate byproduct of the recession.

(19) It was unfortunate that he couldn't speak English.

(20) Living in London he felt, was an unfortunate necessity.

(21) It was a most unfortunate choice of expression.

(22) The result was unfortunate, to put it mildly .

(23) I sincerely pity these unfortunate beings.

(24) She hurled insults at the unfortunate waiter.

(25) He has an unfortunate habit of repeating himself.

(26) The unfortunate animal was maddened with pain.

(27) She was always good with the unfortunate.

(28) If you are too fortunate, you will not know yourself; if you are too unfortunate,[sentencedict.com] nobody will know you. 

(29) She has inherited her father's large nose, which is very unfortunate.

(30) When we entered the room, the teacher was yelling at some unfortunate student.