正是他。
It's him.
正是这样。
That's the way.
正是时候
it's high time
不是别人，正是...
it was none other than...
不是别的，正是...
it was nothing other than...
事情正是如此。
That's how it is.
这正是我们所需要的。
This is exactly what we need.
这正是你们的事儿。
This is very much your thing.
这正是最最卑鄙的阴谋勾当。
This is nothing but the most despicable conspiracy.
这正是教育改革的一个巨大胜利。
This is nothing other than a great victory for education reform.
现在正是我应当回家的时候了。
It's about time I went home.
同志们担心的正是他的病。
It's precisely his illness his compatriots are worried about.
站在我面前的正是我的朋友。
Standing in front of me was none other than my friend.