whistle

中文： 哨子、口哨、口笛、汽笛

1. A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound. (countable, uncountable)
2. An act of whistling. (countable, uncountable)
3. A shrill, high-pitched sound made by whistling. (countable, uncountable)
4. Any high-pitched sound similar to the sound made by whistling. (countable, uncountable) · the whistle of the wind in the trees
5. A suit (from whistle and flute). (countable, slang, uncountable)
6. The mouth and throat; so called as being the organs of whistling. (colloquial, countable, uncountable)

复数 whistles