He's been 'unlucky in love'. [=he has had a series of bad romantic relationships]
She was 'unlucky' enough to get a flat tire on the way to her job interview.
He thinks it's 'unlucky' to have a black cat cross your path.
(..) Armor caught it. That's a mistake. Dude, we kicked their asses! I don't know if I'm feeling lucky or unlucky. They thought they were walking into another temporary embassy. Not here, brother. Chief, get us some air support, huh? Get us fucking something! (..)2016 13 Hours