whistle

名词 whistle:

1. the sound made by something moving rapidly or by steam coming out of a small aperture
   同义词：whistling
2. the act of signalling (e.g., summoning) by whistling or blowing a whistle
   同义词：whistling
3. acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
4. an inexpensive fipple flute
   同义词：pennywhistle, tin whistle

动词 whistle:

1. make whistling sounds
2. move with, or as with, a whistling sound
3. utter or express by whistling
4. move, send, or bring as if by whistling
5. make a whining, ringing, or whistling sound
   同义词：sing
6. give a signal by whistling

1. The wind whistled through a crack in the door.
   风从门的裂缝中呼呼地刮了进来。
2. He whistled to his friend to keep hidden.
   他吹口哨通知朋友继续隐蔽。
3. The referee whistled and the game began.
   裁判哨子一响，比赛开始了。
4. A bullet whistled past his head.
   一颗子弹从他头顶上呼啸而过。
5. He gave a loud whistle of gladness.
   他吹了一声响亮的口号表示高兴。

whis.tle

v.（动词）
whis.tled,whis.tling,whis.tles
v.intr.（不及物动词）
To produce a clear musical sound by forcing air through the teeth or through an aperture formed by pursing the lips.
吹口哨：通过迫使空气穿过牙齿间隙或穿过由噘嘴形成的小缝隙而发出清晰的乐音
To produce a clear, shrill, sharp musical sound by blowing on or through a device.
吹哨子，鸣汽笛：通过吹击或通过某种装置而发出清晰、尖厉而刺耳的乐音

To produce a high-pitched sound when moving swiftly through the air:
发出啸叫声：当迅速穿过空气移动时发出高音调的尖声：
例句：
The stone whistled past my head.
石头呼啸着从我头顶经过

To produce a high-pitched sound by the rapid movement of air through an opening or past an obstruction:
呼啸：由于空气急速通过一个开口或经过一障碍物时而发出尖厉的声音：
例句：
Wind whistled through the cracks in the windows.
风从窗户的裂缝中呼呼地灌进来

To emit a shrill, sharp, high-pitched cry, as some birds and other animals.
啭鸣：发出刺耳、尖锐、高音调的喊叫，如一些鸟及其它的动物所发出的声音
To summon by whistling.
吹口哨召唤
v.tr.（及物动词）
To produce by whistling:
由吹口哨而发出：
例句：
whistle a tune.
吹出一个调子

To summon, signal, or direct by whistling.
吹口哨召唤
To cause to move with a whistling noise.
由吹口哨而发出信号或指引：用哨声使…行动
n.（名词）

A small wind instrument for making whistling sounds by means of the breath.
口哨；哨子：一种很小的吹奏乐器，通过呼吸而发出哨声
A device for making whistling sounds by means of forced air or steam:
汽笛：一种由受压空气或蒸汽产生哨声的装置：
例句：
a factory whistle.
厂笛

A sound produced by a whistling device or by whistling through the lips.
哨声， 笛声：由鸣笛装置或从唇间吹口哨而发出的声响
A whistling sound, as of an animal or a projectile.
啭鸣声：尖厉高音，如动物或发射物而发出的声音
The act of whistling.
吹，吹哨：口哨或哨子的行为
A whistling sound used to summon or command.
召唤哨声，命令哨声：用于召唤或发布命令的哨声

<习惯用语>blow the whistle【俚语】
To expose a wrongdoing in the hope of bringing it to a halt:
揭发：怀着使违法行为得以中止的希望而告发：
例句：
an attorney who blew the whistle on governmental corruption.
一个揭发政府腐败的律师

whistle in the dark
To attempt to keep one`s courage up.
给自己壮胆：试图鼓起某人的勇气
来源：
Middle English whistlen
中古英语 whistlen
from Old English hwistlian
源自 古英语 hwistlian