تعريف ومعنى "tough luck"

is 'tough luck' always used sympathetically?

The phrase "tough luck" can be used sarcastically to dismiss someone's misfortune or to imply that they are responsible for their own difficulties. In a sarcastic context, "tough luck" is often delivered with a tone of mockery or indifference, suggesting that the speaker lacks sympathy or empathy for the individual's situation.