dinner & supper
Usually, supper is a dinner at home.
Dinner is a more official supper mostly taken in a restaurant or even in a hotel.
兩個都是晚飯, 但dinner較隆重.
Dinner
-the main meal of the day, eaten in the evening or at midday.
-a formal meal in honor of some person or occasion.
Supper
-the evening meal, often the principal meal of the day
-A light evening meal when dinner is taken at midday
-A light meal eaten before going to bed