A slap-up meal is a very large, very enjoyable one — the kind you sit down to when someone is treating you, or when a family is celebrating. You almost always hear it in front of a food word: a slap-up dinner, a slap-up feast, a slap-up breakfast.

A slap-up meal is slap-up meal指的是 a very large, very enjoyable one 一頓非常豐盛、非常享受的一餐——the kind you sit down to when someone is treating you, or when a family is celebrating 就是有人請客，或家人在慶祝時吃的那種。You almost always hear it in front of a food word 這個字前面幾乎都會接一個跟食物有關的字：a slap-up dinner, a slap-up feast, a slap-up breakfast 像a slap-up dinner、a slap-up feast、a slap-up breakfast。

It is British and informal, a bit old in a warm way; American English does not really use it. Though actually it praises the size and the pleasure more than the fancy restaurant: a slap-up meal can be home cooking with too many dishes, not only a costly night out.

It is British and informal 這是英式、口語的用法，a bit old in a warm way 有點老派，但是溫暖的那種老派；American English does not really use it 美式英文不太用這個字。Though actually it praises the size and the pleasure more than the fancy restaurant 但其實它稱讚的是份量和享受，而不是餐廳有多高級：a slap-up meal can be home cooking with too many dishes 一頓slap-up meal可以是家常菜煮了一大堆，not only a costly night out 不是只有花大錢在外面吃才算。

It is not a verb. You do not 'slap up' a meal in this sense; you have a slap-up meal.

It is not a verb 它不是動詞：You do not 'slap up' a meal in this sense 你不會在這個意思下說'slap up'一餐；you have a slap-up meal 你是have a slap-up meal（吃一頓slap-up meal）。

And it does not mean the food was thrown together in a hurry — that would be an unlucky reading of slap. The dictionary meaning is kind: big and good.

And it does not mean the food was thrown together in a hurry 它也不是指食物是匆匆忙忙湊出來的——that would be an unlucky reading of slap 那是對slap這個字不太走運的誤讀。The dictionary meaning is kind 字典上的意思是友善的：big and good 份量大、東西好。