Whatever you say, say it S-L-O-W-L-Y
I've been know to transmit to some new pip-squeak CPL who thinks that the only way to be a 'professional' pilot is to rattle out their R/T as fast as they can, becoming totally incomprehensible as a result, and requiring a 'say again' - which wastes everybody's time - " If you fly as fast as you talk, I'm getting out of here"