"Tá súil agam go bhfuil tú i mbarr na sláinte" means "I hope you're in the best of health"
"Scríobh chugam go luath" means "Write to me soon"
"cronaím uaim thú" means "I miss you"
Slainte means cheers to good health
It is pronounced as "slawn-cha va" in English, which is a traditional Scottish Gaelic toast meaning "good health."