* "Good luck!" This is a common and versatile phrase used for various situations.
* "All the best!" Another classic, often used for good luck or well-wishes.
* "Cheers!" This can be used for a toast, but also as a general well-wishing phrase.
* "Have a good one!" A more casual way to wish someone well.
* "Give it a go!" This is more encouraging than wishing good luck, emphasizing giving something a try.
* "Rip it in!" A more energetic way to wish someone good luck, especially for something competitive.
Ultimately, the best phrase depends on the situation and your relationship with the person.