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The side of something that faces forward or can be seen from the outside. The antonym is 「裏」 (the back/reverse side). The same 「表」 read as 「ひょう」 is a different word referring to something in which figures or items are arranged vertically and horizontally.
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N3主におもに
mainly. As the center. For the most part. Example: 「主に若い人が利用する」 (mainly used by young people), 「主に野菜を作っている」 (mainly grows vegetables).
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N3思わずおもわず
Naturally, without intending to. Example: 「思わず笑ってしまった」 (couldn't help laughing), 「思わず声が出た」 (a sound escaped involuntarily).
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N5泳ぐおよぐ
swim. To move through the water by moving one's hands and feet. Example: 「海で泳ぐ」 (to swim in the sea).
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N2及び腰およびごし
Originally, an unstable half-crouched posture in which one cannot fully straighten the hips. By extension, it describes a hesitant attitude lacking confidence and passive, as if shrinking back. Used in expressions like 「及び腰で交渉に臨む」 and 「政府の及び腰な姿勢」.
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N3及ぶおよぶ
For something to reach as far as a certain point. To spread. In the form 「〜に及ばない」, it means there is no need to do that.
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N2及ぼすおよぼす
To exert influence, damage, etc. on something else. Often combined with set nouns, as in 影響を及ぼす (have an effect on), 損害を及ぼす (cause damage to). 「及ぼす」 is used for the side that exerts the effect, and 「及ぶ」 for the side the effect reaches: 「影響を及ぼす」 versus 「影響が及ぶ」.
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N2折り返しおりかえし
Turning back partway, or the point at which one turns back. By extension, it also means to reply or contact someone back promptly upon receiving their message. Frequently used as a business expression, as in 「折り返し電話する」 and 「折り返しご連絡ください」.
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N2折り紙おりがみ
A game or craft of folding paper into shapes such as animals or flowers. Also refers to a guarantee by an authoritative person that something has assured value or skill, used idiomatically in the form 「折り紙つき」. The latter meaning derives from the fact that authentication certificates were folded papers.
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N2, N5降りるおりる
To move from a high place to a low place. To get out of a train or car. Example: 「バスを降りる」 (to get off a bus). The antonym is 「のる」 (to get on).
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N2織るおる
To combine threads vertically and horizontally to make cloth. Incorporating another element into a story is also expressed as 「織り込む」「織り交ぜる」.
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N3, N4折るおる
To bend a hard object and separate it. Example: 「えだを折る」 (to break a branch). Also used to mean bending paper to make a shape, as in 「かみを折る」 (to fold paper).
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N1, N3, N4折れるおれる
For a hard object to bend and separate. Example: 「えだが折れる」 (a branch breaks).
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N2愚かおろか
Lacking careful thought, so that one's judgment or behavior is not wise. Used to describe a person or their words and actions.
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N3降ろすおろす
To take a person or luggage out of a vehicle. Example: 「駅前で客を降ろす」 (to drop off a passenger in front of the station). The homophone 「下ろす」 means to move something from a high place to a low place (e.g. 「棚から荷物を下ろす」, to take luggage down from a shelf; 「お金を下ろす」, to withdraw money), and is written differently.
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N5終わるおわる
end. For something that was continuing to reach its stopping point. Example: 「じゅぎょうが終わる」 (class ends). The antonym is 「始まる」 (to begin).
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N3恩おん
A helpful favor received from someone, for which one is grateful. Example: 「恩を返す」 (to repay a favor), 「恩を忘れない」 (to never forget a kindness). Also forms compound words like 「恩人」 (a person one owes gratitude to) and 「恩師」 (a teacher one is grateful to).
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N5音楽おんがく
music. Something enjoyed through the sound of singing or instruments.
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N2恩恵おんけい
A blessing or benefit received from others, nature, and so on. Used in expressions like 「恩恵を受ける」 and 「科学の恩恵」.
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N2温床おんしょう
A hotbed with raised soil temperature used to grow plant seedlings. By extension, it refers to a cause or environment in which something undesirable arises and grows. It is often used figuratively, as in 「犯罪の温床」 and 「不正の温床」.
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N3温暖おんだん
A state where the climate is warm and mild. Example: 「温暖な気候」 (a warm climate), 「地球温暖化」 (global warming). The antonym is 「寒冷」 (cold climate).
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N3温度おんど
temperature. The degree of warmth or coldness. Example: 「部屋の温度」 (room temperature), 「温度を測る」 (to measure the temperature).
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N5女おんな
woman. One of the sexes of a person. The antonym is 「男」 (man).
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N5女の子おんなのこ
girl. A female child.
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N2音波おんぱ
Vibrations transmitted through air or other media that can be heard as sound. Used in technical contexts of physics and engineering, such as 「超音波」 or 「音波探知機」. A specialized term encountered in science classes or descriptions of medical equipment.