B1
directly, meeting someone in the same place
Dictionary examples:
I'd rather meet my boss face to face than through email. It's easier to cry in person. (0.0)
I thought we were meeting face to face, not playing hide-and-seek! (0.0)
Let's meet face to face. I want to see if you're really as short as your profile says. (0.0)
We need to talk face to face. (16.6)