tough luck!
From Longman Dictionary of Contemporary Englishtough luck!tough luck!spoken a) DON'T CAREused when you do not have any sympathy for someone’s problems
Well, that’s just their tough luck! It was their mistake. b) British EnglishSYMPATHIZE used when you feel sympathy about something bad that has happened to someone
You didn’t get the job? Oh, tough luck! → tough