“吹哨子”造句

售票员吹哨子, 电车停了下来.
The conductor blew his whistle, and the tram stopped.

警察吹哨子让汽车停下来.
The policeman whistled for the car to stop.

老师吹哨子开始了赛跑.
The teacher blew a whistle to start the race.