1CONVENTION (引出答话或评语)哦,噢 You use oh to introduce a response or a comment on something that has just been said. (引出答话或评语)哦,噢 [spoken]
'Had you seen the car before?' — 'Oh yes, it was always in the drive.'.
“之前你见过那辆车吗?”—“哦,见过,它总是停在车道上。”
'Would you like me to phone and explain the situation?' — 'Oh, would you?'.
“你需要我打电话解释一下情况吗?”—“哦,可以吗?”
'You don't understand!' — 'Oh, I think I do, Grace.'
“你根本就不明白!”—“噢,我想我明白,格雷丝。”
2EXCLAM (表示惊讶、痛苦、恼怒或喜悦等)唉,啊,呀,哈 You use oh to express a feeling such as surprise, pain, annoyance, or happiness. (表示惊讶、痛苦、恼怒或喜悦等)唉,啊,呀,哈 [spoken, feelings]
4CONVENTION (表示犹豫)呃,嗯 You use oh when you are hesitating while speaking, for example because you are trying to estimate something, or because you are searching for the right word. (表示犹豫)呃,嗯 [spoken]
I've been here, oh, since the end of June.
我是,呃,6月底来到这里的。
The invaders have destroyed the, oh, I don't know what the right word is—the atmosphere, the ambience.