定義 / Definition
［adjective］
・not closed
・allowing access, passage, or a view through an empty space; not closed or blocked.
・exposed to the air or to view; not covered.
・with the outer edges or sides drawn away from each other; unfolded or spread out.
・(of a business, place of entertainment, etc.) admitting customers or visitors; available for business.
・freely available or accessible; unrestricted.
・not concealing one’s thoughts or feelings; frank and communicative.
・(of a matter or decision) not finally settled; still admitting of debate.
・(of a vowel) produced with a relatively wide opening of the mouth and the tongue kept low.
・(of a string) allowed to vibrate along its whole length.
・(of an electric circuit) having a break in the conducting path.
［verb］
・move (a door or window) so as to leave a space allowing access and vision.
・unfold or be unfolded; spread out.
・make or become formally ready for customers, visitors, or business.
・formally establish or begin (a new business, movement, or enterprise).
・make more available or widely known.
・break the conducting path of (an electric circuit).
［noun］
・outdoors or in the countryside.
・a championship or competition with no restrictions on who may compete.
・an accidental break in the conducting path for an electric current.
— その他 例文 —
The flowers are opening.
花が開きかけている
Open the door, please.
ドアを開けてください。
Can you open the window?
窓を開けてくれませんか。
What times are you open?
何時に開店しますか？
The little boy ran off as soon as I opened my mouth.
その少年は私が口を開いたとたん逃げ去った。
He has already opened all his birthday gifts.
彼はすでに誕生日の贈り物すべてを開けました。
The sea breeze came through the open window.
海からの風は開いた窓から入ってきました。
I wish I could have seen his face when you opened the door.
あなたがドアを開けたときに、私は彼の顔を見ることができればよかったのになあ。
If you wanted to open a restaurant, where would you get the money?
もしあなたがレストランをオープンしたいとしたら、あなたはどこでその資金を得るでしょうか？
She took a deep breath before opening the letter.
彼女は手紙を開ける前、大きく深呼吸しました。
She was bad at cracking the eggs open.
彼女は卵を割るのが下手でした。
Tennis fans watched the Australian Open.
テニスのファンの人たちは全豪オープンを観戦しました。
We are only open on weekdays.
私たちは平日のみ営業しています。
There will be more options for you to choose from if you are open-minded.
もしあなたが柔軟な考えであるなら、あなたが選べるより多くの選択肢があるでしょう。
Papers were scattered across the desk and floor in front of the open window.
書類は開いている窓の正面の机や床にまき散らされました。
My dog ran across the room when he heard me open the door.
私がドアを開ける音を聞くと、私の犬は部屋の中を横切って走りました。
