Hello! There is no translated version, there is English only. I think some fans are planning on translating it to Chinese and Russian.
您好! 没有翻译版本,只有英文版。 我想有些粉丝正计划把它翻译成中文和俄文。
Redline is the kind of person to just put that kind of information out there. I was working under the assumption that over the course of the month, they've talked about it to some extent, but it's not really a big deal between them. You do make a point, though, I'll make a note to add that information in an earlier scene.
Bruce has been shown to have friends in Round 1. Even still, he's able to be amicable to people he doesn't talk to often (Like Bucky and Drayden).
You can also see in their conversation at the end of the night, Bruce is standing away from Zander and speaking pretty quietly. Anyone looking on won't be able to tell that they're having a conversation, and if they CAN tell, they're probably too drunk to remember it at this point.