praise sandwich n. criticism prefaced by and followed by compliments. (source: Double-Tongued Dictionary)
Further reading
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...
The word pickle is related to a similar-sounding Dutch word, pekel, meaning “brine.” In the 1400s, a pickle was a spicy sauce. Soon the word came to refer to the salty or acidic used to preserve foods, and later to the foods themselves...