1 oh /ˈoʊ/ interjection
Learner's definition of OH
1
—
used to express surprise, happiness, disappointment, or sadness啊，唉，哎呀（表示惊讶、快乐、失望或悲伤） -
Oh, it's so windy out here!哎呀，外面风真大！
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Oh, I'm so sorry to hear that.哦，那真令人难过啊。
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Oh no! I forgot my purse.哦，不！我忘记带手提包了。
2
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used in response to a physical sensation (such as pain)啊，哎哟（表示疼痛等生理反应） 3
also O —
used to address someone directly喂，嘿，嗨（用于直呼某人） -
Oh sir, you forgot your change.喂，先生，您忘了找给您的零钱了。
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Oh, waiter! We'd like the bill, please.嘿，服务员！请把我们的账单拿来。
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Bless us, O Lord.保佑我们啊，上帝。
4
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used for emphasis when responding to a question or statement or when making a statement哦，嗯，唉（强调陈述或对某陈述、某问题的答复） -
“Have you ever been to Venice?” “Oh, yes. It's one of my favorite cities.”“你去过威尼斯吗？”“哦，去过。那是我最喜爱的城市之一。”
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“He's planning to change jobs.” “Oh? Really?”“他打算换工作了。”“嗯，是吗？”
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Oh all right. If you insist.唉，好吧，如果你坚持的话。
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Oh for some time to relax and read a book! [=I wish I had some time to relax and read a book]唉，要是有时间放松一下读本书该多好啊！
5
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used to show that something is understood哦，嗯（表示理解） -
“I'm going to the dentist now.” “Oh, okay. I'll see you later.”“我要去看牙医了。”“哦，好的。回头见。”
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“But I won't be available on Monday.” “Oh, I see. My mistake.”“不过我星期一不行。”“嗯，我明白了。我搞错了。”
6
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used during a pause in speaking嗯（用于说话时的停顿） plural ohs
plural ohs
Learner's definition of OH
[count] US
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used to show the way the number 0 is often pronounced零