Let’s take this offline. The speaker moves a difficult topic out of the meeting and into a private talk.
Can I grab you for a minute? This is a quiet request to speak with someone alone.
Pull someone aside. This means to speak with one person away from the group, often about a problem.
I’m going to have to escalate this. The speaker takes a problem with a colleague to a manager.
Let’s loop in HR. A problem between people goes to the human resources department.