Thanks for your well-wishing and nice letter in praise of my wife.
感谢您的祝福以及对我内人赞美的书信。
2
It is a Chinese idiom, used to express admiration or well-wishing.
这是中文的成语，用以表达赞美或祝福之意。
3
Sometimes I don't know whether I can give my friends calls or emails, I don't know whether I can give my well-wishing or not. I also think that it is redundant for my greetings.