It is night time. And the only sound that can be heard is the long, lonely whistle coming from the train's engine.

VOA: special.2010.06.13

Suddenly the air was cut by a sharp whistle not far away.

VOA: special.2010.04.03

The train whistle blew just as the sun was coming up.

VOA: special.2009.04.11

It was the determined whistle of a person.

VOA: special.2010.04.03

Sylvie knew it wasn't a friendly bird's whistle.

VOA: special.2010.04.03

A train whistle broke into Paul's thoughts.

VOA: special.2009.04.11

Mr.Brown has just returned from a whistle-stop tour of France, the United States and South America to drum up support for unified economic action.

VOA: standard.2009.03.30

But their most important job is to whistle,shout,flap their arms and run about crazily to turn the attention of an unhappy, with sharp horns away from a fallen rider.

VOA: standard.2010.01.25

Shoes squeak against the floor. Referees whistle when fouls were made.

VOA: standard.2009.09.10