MARCIAPIEDE 

From French MARCHER= to walk and PED = foot

 STARE SUL MARCIAPIEDE, to be on the sidewalk), 

CAMMINARE sul marciapiede, to walk on the sidewalk

MARCIAPIEDE STRETTO, narrow or LARGO, big

BATTERE IL MARCIAPIEDE, literally meaning to beat the sidewalk, exercising prostitution.

SEMAFORO

From the greek SEMA= sign, signal and FERO= port. 

LE PERSONE IRRESPONSABILI PASSANO CON IL SEMAFORO ROSSO, irresponsible people pass with a red light

ANDIAMO! È SCATTATO IL (SEMAFORO) VERDE! Let’s go, the green has kicked in 

Il SEMAFORO LAMPEGGIA DA STAMATTINA, the traffic light has been flashing since this morning