oh
おお、まあ
解説 Definition
おお、まあ、おや、あら
An interjection used to express an immediate reaction such as surprise, realization, pleasure, disappointment, or recognition. Its precise emotional force depends strongly on the speaker’s tone and the words that follow it.
覚え方のコツ Memory Tip
oh は驚き、気づき、喜び、残念な気持ちなどが出た瞬間に置く間投詞です。Oh, I see. なら「なるほど」、Oh no! なら「しまった」のように、意味は後続表現と声の調子で変わります。文の内容を説明する語ではなく、話し手の反応を添える語だと覚え、呼びかけの O や、ためらいを示す uh と区別しましょう。
Treat oh as a quick signal of the speaker’s reaction, not as a word naming an object or action. Its feeling changes with context and intonation: “Oh, I see” marks realization, “Oh, no!” shows alarm or disappointment, and “Oh, I like this” can express pleased surprise. Notice how often it comes at the beginning of an utterance and is followed by a comma. Do not confuse it with uh, which usually marks hesitation, or with O, a literary form used in direct address.
例文
Oh, this is my book.
あ、これは私の本です。
Oh, I like this.
わあ、これが好きです。
oh の類義語・関連語
oh の語源・成り立ち Etymology
驚きや気づきなどの気持ちを声にした、英語の古い間投詞です。
Oh is a long-established English interjection that represents a natural vocal response to emotion, recognition, or sudden understanding. Forms of it are recorded in English from the Middle English period, and comparable exclamations occur in many languages. Because it imitates a simple human utterance, it is not usefully divided into smaller meaningful parts. Its spelling and emotional value have remained flexible, with tone and context determining the intended reaction.
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