Glad you asked...
You can wish someone good luck by verbally telling them good luck. Also, you can write them a card telling them good luck as well which is very nice.
twinlove2u     How-To Expert
Then again, this answer might help you...
To wish someone good luck you can send them a nice card or gift. You could just tell them good luck. If they are retiring or changing jobs you could have a small party for them.
lperez109     How-To Expert
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