2.I thought I’d better broach the matter with my boss.
我想我最好还是跟老板说一下这事。
3.Have you broached the subject of the money he owes us?
你谈没谈起他欠我们钱的事?
4.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.