I haven't had dinner yet.是什么意思？

I haven't had dinner yet.

我还没有吃晚饭呢。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

dinner

n. 正餐，主餐，宴会，晚餐；

例句
At the dinner table, my father would go on and on, showing off, aggrandising himself...
我父亲在餐桌上总是滔滔不绝地炫耀并吹嘘自己。

yet

adv. 但是，还，已经，又，再；conj. 然而，但是；

例句
She had not yet become accustomed to the fact that she was a rich woman.
她还不太适应已经是一个富婆的事实。