Желаю вам удачи! - zhelayu vam udachi! - to plural "you" or formal singular.
Желаю тебе удачи! - zhelayu tebye udachi! - to informal singular.
Удачи! - to either.
Ни пуха ни пера! - ni pukha ni pera - specifically when someone is setting off to do a task like a test or to ask a girl out at a bar. The appropriate response is к черту! - kchortu!
Good luck with this: Treasure in Russian is: СОКРОВИЩЕ
Russian Удачи Udachi German.Viel Glück
Answer: 'Good luck' is удача (udacha), and farewell is прощание (porashchanie).
Удачи Udachi
It means good luck!
Удачи [udachi]
The Kremlin ... good luck !
Удачи (udáchi).
Good luck = Удачи (Oo-'da-chi) Farewell = Прощай (Pro-'shchai)
In Ukranian households, it is good luck to have the porridge stick to the ceiling. You try to stick it (throw it) for good luck.
A Russian wedding
Russian