You'll have had dinner already, I suppose.

我想，到时候你大概已经吃过饭了。

《牛津词典》

We were to have had dinner together yesterday evening, but he stood me up.

昨晚我们本应该一起用餐，但他失约了。

《柯林斯英汉双解大词典》

With these thoughts, I came up to him and asked him if he had had dinner yet and if he would like to join me at a nearby restaurant.

带着这些想法，我走到他面前，问他是否已经吃过晚饭了，是否愿意和我一起去附近的餐厅吃饭。

youdao

He had dinner. Then he went to his room to complete the speech he would give the next day.

VOA: special.2009.11.12

Now, well, you're making out after having had dinner, and while you're sitting there making out, food is making its way down Peggy Sue's digestive tract, being turned into shit.

现在，你们在吃完饭后亲热，当你们坐下来亲热时，食物正沿着Peggy，Sue的消化道向下走，正要变成大便。

耶鲁公开课 - 死亡课程节选

for a nice dinner and had plenty of pictures.

参加了一个快乐的晚宴并拍了好多照片。

自身时间管理方法 - SpeakingMax英语口语达人

Indeed, it was in 1990 that Rhodes had dinner with a cash-strapped Rupert Murdoch.

FORBES: Book Review: Banker To the World by William R. Rhodes

At the White House here in Washington, Jordan's king had dinner with President Bush.

NPR: Arab Delegation Takes Peace Proposal to Israel

"I had dinner, watched a movie and went to sleep last night, " he said.

BBC: Garcia back to his best