"I wish you good health" is "(je vous souhaite une) bonne santé" or "portez-vous bien" in French. There are probably several more expressions with the same meaning.
To wish a good departure or say goodbye in French you would say au revoir.
Je vous souhaite santé, bonheur et longue vie ensemble.
To say 'good evening' in French you say 'bonsoir'. This is pronounced as 'bon swor'.
A good doctor in French is un bon médecin.
"I wish you could see how much I love you" may be translated in French as "je voudrais que tu vois combien je t'aime"
Je vous souhaite une bonne santé.
To wish a good departure or say goodbye in French you would say au revoir.
Bon chance
* You can say to the person 'Good luck on _____________(whatever the are venturing out to do such as graduating; finding a new job, etc.) and wish them all the best in the future.
In French, you can say "bonne chance pour ton test" to wish someone good luck on their test.
In French, you can say "bonne chance et sois bien" to wish someone good luck and well-being.
The translation for 'I had a blast' from English to French is:J'ai eu une explosionHowever, if you wish to say 'I had a good time' you would say the following:J'ai passé un bon moment
health = santé
You can say "bonne chance dans votre nouvelle maison" in French to wish someone good luck in their new home.
Je vous souhaite santé, bonheur et longue vie ensemble.
Je souhaite (or something along those lines)
Je leurs souhaite une bonne partie de football