what someone is driving atwhat (someone) is driving at
the meaning of what someone is saying.
I didn't answer her because I wasn't sure what she was driving at.
what (one) is driving at
The point one is trying to make. He's been talking for 10 minutes, and I still can't figure out what he is driving at. Is there a point?What I'm driving at, ladies and gentleman, is that the time for action is now.
what someone is driving at
the point that someone is attempting to make.
1986RobertSproatStunning the Punters Martin is always saying things where I can't see what he's driving at.