whistle

• 指一种能通过吹气发出尖锐声音的小装置，如哨子；也指这种装置发出的声音。

A noun referring to a small device that produces a high-pitched sound when air is blown through it, or the sound itself.

1. Sound made by mouthA2formal

   A clear, high-pitched sound made by forcing breath through the lips.

   口哨声

   • He gave a loud whistle to call his dog.
   • Her whistle could be heard across the field.
   • The referee's whistle signaled the end of the game.

2. Device that produces soundA2formal

   A small instrument that produces a high-pitched sound when blown into.

   哨子

   • The police officer blew his whistle to stop traffic.
   • The coach used a whistle to start the race.
   • She bought a whistle for safety while hiking.

   同义词hootersignalsiren

3. Sound from a machine or windB1formal

   A high-pitched sound made by a machine, kettle, or the wind.

   啸声

   • The kettle's whistle indicated the water was boiling.
   • The wind made a mournful whistle through the trees.
   • The train's whistle echoed through the station.

   同义词howlscreamscreechshrieksquealwailwhine

• 动词，指通过双唇或牙齿间吹气、或用哨子等工具发出尖锐响亮的声音；也指用嘴吹出曲调。

A verb used to indicate the act of producing a clear, high-pitched sound by forcing breath through the lips or a device.

1. Produce a sound with the mouthA2formal

   To make a high-pitched sound by forcing air through the lips or teeth.

   吹口哨

   • He whistled a cheerful tune while walking.
   • She whistled to call her dog back.
   • The boy whistled loudly to get attention.

   同义词pipetrill

2. Produce a sound with an instrumentA2formal

   To blow a whistle or similar device to produce a loud, sharp sound.

   吹哨

   • The referee whistled to stop the game.
   • The coach whistled for the players to gather.
   • The guard whistled to signal the start of the shift.

   同义词blastblowpipesoundtoot

3. Move quickly with a whistling soundB1informal

   To move swiftly through the air, making a sound like a whistle.

   呼啸而过

   • The bullet whistled past his ear.
   • The wind whistled through the trees.
   • The arrow whistled through the air and hit the target.

   同义词hissswooshwhizzingzip