1. When it comes to
Today we are going to learn “when it comes to”. It means that as for something, speaking about something.
A: Are you sure we’re going the right way?
B: When it comes to reading maps, I am the master.
2. do the talking
Another phrase is “do the talking”. If you say ” I do the talking”, you are speaking for a certain activity, and responsible for it.
A: Keep quiet, and let me do the talking.
B: OK, but next time I’m in control.