《幼学琼林·卷三·饮食》
惩羹吹齑是说因为喝热汤烫伤了，连吃冷菜，也不敢到口就吃，还要把它吹一吹，是惩前戒后，过分小心的意思。酒囊饭袋是形容人不学无术只会吃喝。
惩羹吹齑，谓人惩前警后；酒囊饭袋，谓人少学多餐。
To learn from one's previous mistakes and to be excessively cautious. To be a good-for-nothing who only knows to eat and drink.