The following happened few months ago in a big Italian Airport.
Approach: **** Reduce speed 230 knots.
Pilot: **** Roger, reducing speed 230 knot. But wich is this thing preciding that go so slower??
Approach: **** The preciding thing is a 737 the preciding thing that preceding thr thing preciding you is a Fokker 27, in head of all traffic an airport that must insert departures.
Pilot
: **** Roger.
Sorry for bad translation I hope you will understand.
Ema_ATC