How to use good "good luck "
good luck i know the original meaning hope you savety ,such as when you have a trip,your friends say "good luck",hope you back safety.
But i don't know "good luck "is that have bad meaning?Such as :you love a girl,you want to become his boyfriend and you told you friend this things,so you friends said"good luck"(they said very deeply and sound very good ),so in this situation "good luck “ is that means you will never pursue her?

Question

How  to use good  "good luck "
good luck i know the original meaning hope you savety ,such as when you have a trip,your friends say "good luck",hope you back safety.
But i don't know "good luck "is that have bad meaning?Such as :you love a girl,you want to become his boyfriend  and you told you friend this things,so you friends said"good luck"(they said very deeply and sound very good ),so in this situation "good luck “ is that means you will never pursue her?

Answer

Sometimes "good luck" can be used sarcastically. Like if one person doesn't believe something will happen, they will say, "Oh, well good luck with that" in a sarcastic tone. But usually "good luck" is a positive phrase. :)

Answer

This is a duplicate.