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to flap
01
はためく, 振る
to move with a rapid up-and-down motion
Intransitive
Example
Right now, the laundry on the clothesline is flapping in the gentle breeze.
今、洗濯物が柔らかな風にはためいています。
The windmill blades steadily flapped in the wind, generating renewable energy.
風車の羽根が風に乗ってはためきながら、再生可能エネルギーを生み出している。
02
羽ばたく (habataku), フラップする (furappu suru)
(of a bird) to rhythmically move its wings in an upward and downward motion, either during flight or in preparation for taking flight
Transitive: to flap wings
Example
With a powerful push, the eagle flapped its majestic wings, effortlessly soaring above the mountain peaks.
力強い一押しで、鷲はその威厳のある翼を羽ばたきながら、 effortlessly 山の頂上を越えて舞い上がった。
The robin perched on the branch, observing its surroundings before flapping its wings in a graceful motion
そのロビンは枝に止まり、優雅な動作で羽ばたく前に周囲を観察していた。
03
騒ぐ (さわぐ), 慌てる (あわてる)
to express agitation, make a fuss, or become overly concerned or worked up about something
Intransitive
Example
The parent started to flap when they realized their child was running late for school.
The team captain flapped before an important match, giving an impassioned speech to motivate the players.
04
バタつく, 羽ばたく
to move an object or a part of it up and down or to and fro in a rapid or rhythmic manner
Transitive: to flap sth
Example
The child flapped the pages of the book rapidly, trying to catch the attention of their parent.
子供は本のページをバタつかせて、親の注意を引こうとしました。
The wind flapped the tent's entrance, causing it to sway back and forth as campers tried to secure it.
風がテントの入り口をバタつかせ、キャンパーたちがそれを固定しようとすると、前後に揺れた。
05
バタつく, ひらひらする
to move one’s arms about in a clumsy or uncontrolled manner while surfing, often due to panic or lack of balance
Informal
SpecializedExample
He started to flap as he lost balance on the wave.
New surfers always flap when they panic in the water.
Flap
01
フラップ, ひれ
any broad thin and limber covering attached at one edge; hangs loose or projects freely
02
フラップ, フラッップ
a movable airfoil that is part of an aircraft wing; used to increase lift or drag
03
フラップ, 皮弁
a movable piece of tissue partly connected to the body
04
はね（羽根）, フラップ
the motion made by flapping up and down
05
騒ぎ (sawagi), 論争 (ronsō)
much public anger or discussion
06
フラップ, ふろく
a portion of a book cover that extends beyond the edges of the pages and folds over to protect the page edges
What is a "flap"?
A flap is a portion of the cover or dust jacket that extends beyond the edges of the book's pages. It is typically used to hold additional information, such as a synopsis, author biography, or promotional details. Flaps can also help protect the book's cover by folding over and tucking into the book, securing it in place. This feature is common on hardcover books and dust jackets, adding both functional and decorative elements to the book's design.
