名詞 whistle:

1. the sound made by something moving rapidly or by steam coming out of a small aperture
   同義詞：whistling
2. the act of signalling (e.g., summoning) by whistling or blowing a whistle
   同義詞：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
   同義詞：pennywhistle, tin whistle

動(dòng)詞 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
   同義詞：sing
6. give a signal by whistling

1. The wind whistled through a crack in the door.
   風(fēng)從門(mén)的裂縫中呼呼地刮了進(jìn)來(lái)。
2. He whistled to his friend to keep hidden.
   他吹口哨通知朋友繼續(xù)隱蔽。
3. The referee whistled and the game began.
   裁判哨子一響，比賽開(kāi)始了。
4. A bullet whistled past his head.
   一顆子彈從他頭頂上呼嘯而過(guò)。
5. He gave a loud whistle of gladness.
   他吹了一聲響亮的口號(hào)表示高興。

whis.tle

v.（動(dòng)詞）
whis.tled,whis.tling,whis.tles
v.intr.（不及物動(dòng)詞）
To produce a clear musical sound by forcing air through the teeth or through an aperture formed by pursing the lips.
吹口哨：通過(guò)迫使空氣穿過(guò)牙齒間隙或穿過(guò)由噘嘴形成的小縫隙而發(fā)出清晰的樂(lè)音
To produce a clear, shrill, sharp musical sound by blowing on or through a device.
吹哨子，鳴汽笛：通過(guò)吹擊或通過(guò)某種裝置而發(fā)出清晰、尖厲而刺耳的樂(lè)音

To produce a high-pitched sound when moving swiftly through the air:
發(fā)出嘯叫聲：當(dāng)迅速穿過(guò)空氣移動(dòng)時(shí)發(fā)出高音調(diào)的尖聲：
例句：
The stone whistled past my head.
石頭呼嘯著從我頭頂經(jīng)過(guò)

To produce a high-pitched sound by the rapid movement of air through an opening or past an obstruction:
呼嘯：由于空氣急速通過(guò)一個(gè)開(kāi)口或經(jīng)過(guò)一障礙物時(shí)而發(fā)出尖厲的聲音：
例句：
Wind whistled through the cracks in the windows.
風(fēng)從窗戶(hù)的裂縫中呼呼地灌進(jìn)來(lái)

To emit a shrill, sharp, high-pitched cry, as some birds and other animals.
囀鳴：發(fā)出刺耳、尖銳、高音調(diào)的喊叫，如一些鳥(niǎo)及其它的動(dòng)物所發(fā)出的聲音
To summon by whistling.
吹口哨召喚
v.tr.（及物動(dòng)詞）
To produce by whistling:
由吹口哨而發(fā)出：
例句：
whistle a tune.
吹出一個(gè)調(diào)子

To summon, signal, or direct by whistling.
吹口哨召喚
To cause to move with a whistling noise.
由吹口哨而發(fā)出信號(hào)或指引：用哨聲使…行動(dòng)
n.（名詞）

A small wind instrument for making whistling sounds by means of the breath.
口哨；哨子：一種很小的吹奏樂(lè)器，通過(guò)呼吸而發(fā)出哨聲
A device for making whistling sounds by means of forced air or steam:
汽笛：一種由受壓空氣或蒸汽產(chǎn)生哨聲的裝置：
例句：
a factory whistle.
廠笛

A sound produced by a whistling device or by whistling through the lips.
哨聲， 笛聲：由鳴笛裝置或從唇間吹口哨而發(fā)出的聲響
A whistling sound, as of an animal or a projectile.
囀鳴聲：尖厲高音，如動(dòng)物或發(fā)射物而發(fā)出的聲音
The act of whistling.
吹，吹哨：口哨或哨子的行為
A whistling sound used to summon or command.
召喚哨聲，命令哨聲：用于召喚或發(fā)布命令的哨聲

<習(xí)慣用語(yǔ)>blow the whistle【俚語(yǔ)】
To expose a wrongdoing in the hope of bringing it to a halt:
揭發(fā)：懷著使違法行為得以中止的希望而告發(fā)：
例句：
an attorney who blew the whistle on governmental corruption.
一個(gè)揭發(fā)政府腐敗的律師

whistle in the dark
To attempt to keep one`s courage up.
給自己壯膽：試圖鼓起某人的勇氣
來(lái)源：
Middle English whistlen
中古英語(yǔ) whistlen
from Old English hwistlian
源自 古英語(yǔ) hwistlian