"吃晚饭" 的英语表达为 "have/eat dinner"。
来源：
"Dinner" 是英语中吃晚饭的常用词，来源于中世纪拉丁语 "disiēi"，意为 "午后一餐"。
英文例句及其中文翻译：
"I'm having dinner with my family tonight." (今晚我和家人一起吃晚饭。)
"What time do you usually eat dinner?" (你通常几点吃晚饭？)
"I'm not feepng well, so I'll just have a pght dinner." (我不太舒服，所以我只吃点轻的晚饭。)