whistle
El policía sopló su silbato para hacer parar al auto.
The policeman blew his whistle to make the car stop.
El policía hizo sonar su silbato.
The policeman blew his whistle.
El árbitro sopló su silbato para terminar el partido.
The referee blew his whistle to end the match.
Un silbato sonó y el bote comenzó a irse lentamente del puerto.
A whistle blew and the boat began to slowly leave the harbor.
The policeman is carrying a whistle.