To be extremely meticulous, picky, or sophisticated regarding the selection, preparation, and presentation of food.

现代人的生活条件好了，在饮食上也变得食不厌精，脍不厌细。

To not object to having grain finely cleaned and meat finely minced; preferring the highest quality of food preparation as mentioned in the Analects.

《论语》中提到“食不厌精，脍不厌细”，反映了孔子对饮食卫生的严谨态度。