1. 正餐;主餐;晚餐
Dinner is the main meal of the day, usually served in the early part of the evening.
e.g. She invited us to her house for dinner...
她请我们去她家吃晚餐。
e.g. Would you like to stay and have dinner?...
你留下来一起吃饭好吗？
2. 午餐;午饭
Any meal you eat in the middle of the day can be referred to as dinner .
3. 晚宴;宴会
A dinner is a formal social event at which a meal is served. It is held in the evening.
e.g. ...a series of official lunches and dinners...
一系列的正式午餐和晚宴
e.g. The Professional Cricketers' Association held its annual dinner in London.
职业板球运动员协会在伦敦举办了自己的年度宴会。