So you two are on a first name basis now?

所以你俩现在很熟悉吗?

No introductions necessary, we're on a first name basis.

不用介绍了，我们熟到都可以直呼对方大名了。

Excluding friends, associates, and the clients that I represent, there are very few people that I'm on a first name basis with.

除了我的朋友 助理，和委托人，很少有人和我的交情好到直呼名字的地步。