当某人 branching out 的时候，就是说他在另辟天地，尝试一个新的或者不同的方式或领域。

例句

Jane has been working as a journalist since she left university but now she's branching out and writing a novel.

The supermarket has branched out and started selling clothes as well as food.

请注意

如果某人是 holds out an olive branch 意思是手持橄榄枝，表示他是在表示希望友好解决问题或争端。

Bob is always the first to hold out an olive branch after we have an argument.