broaching

It's a good chance to broach the subject.

这是开提出那个问题的机会。

I thought I’d better broach the matter with my boss.

我想我是跟老板说一下这事。

Have you broached the subject of the money he owes us?

你谈谈起他欠我们钱的事？

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开这次演讲的话题之前，我想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成的。