really or certainly, often used to emphasize something

Indeed, it could be the worst environmental disaster in Europe this century. 这确实可能是本世纪西欧最严重的环境灾难。

Evidence suggests that errors may indeed be occurring. 证据表明可能确实出错了。

We live in strange times indeed. 我们确实生活在不可思议的时代。

mainly UK Many people are very poor indeed. 许多人确实很穷。

used to express that something is correct

"Is this your dog?" "It is indeed."/"Indeed it is." “这是你的狗吗？”“当然是。”

Yes, I did indeed say that. 是的，我确实那样说过。

used to add some extra information that develops or supports something you have just said

For such creatures, speed is not important - indeed it is counterproductive. 对这些生物而言，速度并不重要，速度太高甚至会适得其反。

I am happy, indeed proud, to be associated with this project. 能参与这个项目我很高兴，甚至感到骄傲。

used to express surprise, anger, or lack of belief or interest

"She said she won't come back until Monday." "Won't she, indeed?" “她说她星期一以前不会回来。”“哦，是吗？”

"When will we get a pay rise?" "When indeed?" “我们什么时候能够加薪？”“是呀，什么时候加呢？”