broaching

It's a good chance to broach the subject.

这是开始提出题的好机会。

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

想最好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.

在开始讨论这次演讲的话题之，想回忆一下，镭和钋发现是皮埃尔·居里与合作完成的。