的确的英文：
really
indeed

参考例句：

Indeed .. but ..; true .. but ..
诚然;的确..但..

In truth
实际上,的确

The western world was indeed black with homicidal monomania
西方世界的确被杀人狂抹黑了。

Household electric appliances imported with original packing are really distinct from others.
原装进口的家用电器的确与众不同。

It is high time that we put an end to this controversy.
现在的确该停止这个争论了。

Your conduct/attitude is most reprehensible.
你的行为[态度]的确应该受到批评.

(Oh,) quite = Quite (so....)
[对于提案表示赞成的回答]的确,不错

Troop units were indeed familial in feeling.
军营中的确弥漫着相亲相爱的感情。

I've always led an onerous timetable but I like it
我的日程安排的确很紧，但我喜欢这样。

College tutors do indeed work; they drudge
大学助教们的确在干工作;他们在苦干。

really是什么意思：
adv. 实际上，事实上；完全地；真的吗

You really are a homo.
你真的是个同性恋。

You are really uncultivated.
你真的很没教养。

You really are a stiff.
你真的是一个笨蛋。

He is really a smart.
他真是个耍聪明的人。

Yes, it is really exciting to waterski.
是的，滑水非常刺激。

indeed是什么意思：
adv. 真正地，确实；当然，固然；更确切地，甚至；真是
int. 真是；哦，不见得吧

That's a great decision indeed.
那的确是一项重大的决定。

A friend in need is a friend indeed.
患难之交才是真正的朋友。

Indeed I was the principal in the crime.
我真正做了这个罪恶的主犯。

The road ahead is murky indeed.
前路的确渺茫。