your valued criticism; your esteemed feedback
A formal, respectful term used to refer to criticism or feedback from a superior, teacher, or respected person. Often used in written correspondence or formal speech. Rare in casual conversation.
I received your valued criticism, Professor, and it was very instructive.
Thank you very much for your esteemed feedback.
Compound of 高 (high, noble) and 批 (criticism). The exact historical derivation is uncertain, but it follows a pattern of respectful compounds using 高 to elevate the following noun.