flap

noun

/flæp/

flat piece of paper, etc.

enlarge image

[countable] a flat piece of paper, cloth, metal, etc. that is attached to something along one side and that hangs down or covers an opening（附于某物的）片状下垂物，封盖，口盖，袋盖

the flap of an envelope信封的封盖
I zipped the tent flaps shut.我拉上了帐篷门帘的拉链。
The jacket was fastened with a complicated buttoned flap.这件夹克采用复杂的纽扣翻盖扣紧。
He was wearing a deerstalker hat with flaps to cover the ears.他戴着一顶猎鹿帽，帽盖盖住了耳朵。

movement

[countable, usually singular] a quick often noisy movement of something up and down or from side to side（上下或左右）拍打，振（翅），拍击

With a flap of its wings, the bird was gone.鸟拍打着翅膀飞走了。
the flap of the sails风帆的猎猎摆动

worry/excitement

[singular] (informal, especially British English) a state of worry and excitement焦虑不安；紧张兴奋

She gets in a flap over the slightest thing.极小的事也能令她不安。
Harry’s in a bit of a flap over this interview tomorrow.哈利对明天的采访有点不安。

Extra Examples

Having to cook for everyone at Christmas put his mother in a real flap.得在圣诞节给所有人做饭，这使他妈妈很是着急。
I've never seen her in a flap; she's always so calm.我从没看见她慌乱过，她总是那样镇静。

public anger/criticism

[singular] (North American English) public anger or criticism caused by something a public figure has said or done群众愤怒；公众批评

the flap about the President’s business affairs公众对总统公务的批评
a flap over nuclear issues核问题导致的恐慌

Topics Opinion and argumentc2

part of aircraft

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[countable] (specialist) a part of the wing of an aircraft, at the back of the wing, that can be moved up or down to control movement in either direction （飞机的）襟翼

The wing flaps were not extended at the time of the accident.事故发生时襟翼未展开。
The pilot lowered the flaps as the aircraft came into land.飞机着陆时飞行员放下了襟翼。

compare slat (2)Topics Transport by airc2

phonetics

(also tap)

[countable] (phonetics) a speech sound that is produced by striking the tongue quickly and lightly against the part of the mouth behind the upper front teeth皮瓣：一种语音，是通过轻轻地将舌头撞击上前牙后面的口腔部分而产生的

Word OriginMiddle English: probably imitative.

flap

verb

/flæp/

Verb Forms

present simple I / you / we / they flap	/flæp/ /flæp/
he / she / it flaps	/flæps/ /flæps/
past simple flapped	/flæpt/ /flæpt/
past participle flapped	/flæpt/ /flæpt/
-ing form flapping	/ˈflæpɪŋ/ /ˈflæpɪŋ/

Idioms

move quickly

[transitive, intransitive] flap (something) if a bird flaps its wings, or if its wings flap, they move quickly up and down振（翅） synonym beat

The bird flapped its wings and flew away.鸟振翅飞去。
The gulls flew off, wings flapping.海鸥拍打着双翅飞走了。

Oxford Collocations Dictionaryadverb

gently
wildly

[intransitive, transitive] to move or to make something move up and down or from side to side, often making a noise（使上下或左右）拍打，拍击，摆动

(+ adv./prep.) The sails flapped in the breeze.风帆在微风中摆动。
Two large birds flapped (= flew) slowly across the water.两只大鸟振翅缓缓飞过水面。
flap something She walked up and down, flapping her arms to keep warm.她来回走动，挥动着双臂使身体暖和起来。
A gust of wind flapped the tents.一阵风吹动了帐篷。

Extra Examples

Her wet skirt flapped around her knees.她湿了的裙子拍打着膝盖。
His coat flapped open.他的外套啪地打开了。
The man was flapping a large white sheet.那个男人挥动着一条白色的大床单。

Oxford Collocations Dictionaryadverb

gently
wildly

be worried/excited

[intransitive] (British English, informal) to behave in an anxious or excited way忧虑；激动

There's no need to flap—I've got everything under control.不必担心，一切都已在我控制之中。

Topics Feelingsc2

phonetics

(also tap)

[transitive] (phonetics) flap something to produce a flap襟翼：产生襟翼

Word OriginMiddle English: probably imitative.

Idioms

somebody’s ears are flapping

(British English, informal) a person is trying to listen to somebody else’s conversation某人正竖着耳朵听