dine       
verb [ I ]  formal uk/daɪn/ us/daɪn/
 吃正餐;吃晚饭
to eat the main meal of the day, usually in the evening
  I hate dining alone. 我不喜欢一个人吃晚饭。 
 We dined by candlelight. 我们在烛光下吃晚餐。 
 He once dined with the president of France. 他曾经跟法国总统共进晚餐。 
 Phrasal verbs         
dine on/upon something 吃…(作为一餐)
to eat something as a meal
  We dined on salmon and strawberries. 我们那顿饭吃的是鲑鱼和草莓。 
 dine out formal到餐馆吃晚饭,外出吃晚饭 
to go to a restaurant to eat your evening meal
  We rarely dine out these days. 现在我们很少出去吃晚饭。 
 dine out on something (尤指吃饭时)讲(自己的某一经历)来逗乐
to entertain people, especially at a meal, by telling them about an experience you have had
  For months I've been dining out on the story of what happened when my house got flooded. 一连几个月我在晚餐时都要对别人讲起房子被水淹之后所发生的事情。