From Longman Dictionary of Contemporary Englishbad/hard/tough luckbad/hard/tough luckBritish English spokenSYMPATHIZE used to express sympathy when something unpleasant has happened to someone → tough luck at tough1(7) → luck
Examples from the Corpus
bad/hard/tough luck• Unfortunately, the gents had bad luck.• I kept looking into the mirror and hating my bad luck, but there they were.• He felt that this little piece of bad luck might affect his whole day.• Can't have that, can we, not on top of all your other hard luck.• There were lots of near misses: some great saves from both keepers, and sheer bad luck.• You go up there with the wrong attitude and come out with worse luck than you had before. 