talk about：谈论…

He doesn’t like to talk about his private life.
他不愿谈及他的私生活。

We won’t talk about that ─ that’s history.
我们不会谈论那件事的——那都已经过去了。

I’d rather not talk about it in mixed company.
在男女混杂的场合，我不愿意谈论这件事。

When they get together, all they talk about is football.
他们在一起时，谈论的都是足球。