1, indicating surprise or surprise.

"Oh" is usually used to express surprise, surprise or shock at something or situation. This is its most common usage. When people encounter unexpected or unusual things, they often use "Oh" to express their feelings. For example, when you see a beautiful sunset, you may say, "Oh, it's so beautiful!" "

2. Express understanding or confirmation.

"Oh" can also be used to express understanding or confirmation of the other person's words or information. When you hear someone explain something or make a statement, you can use "Oh" to show that you understand what they mean. This usage shows that you care when listening to each other. For example, when a friend tells you that she can't attend the party because of illness, you may say, "Oh, no problem, take care of yourself!" "

3. show concern or attention.

"Oh" can also be used to show concern or attention. When you hear someone mention a problem or need help, you can use "Oh" to show that you care about them. This usage shows that you are willing to listen to their needs or provide support. For example, when your colleague is talking about stress at work, you can say, "Oh, I see. If you need any help, please call me at any time. "

Usage of oh:

1, expressing sympathy or pity.

Sometimes, "Oh" can be used to express sympathy or pity. When people hear someone's misfortune or predicament, they may use "Oh" to express their sympathy and sympathy for each other. This usage usually shows that you care about what happens to others. For example, when a friend tells you that they just lost a relative, you may say, "Oh, I'm really sorry to hear that."

2. Express doubt or distrust.

Sometimes, "Oh" can also be used to express doubt or distrust. When people hear some incredible news or stories, they may use "Oh" to express their doubts about its authenticity. This usage usually has a skeptical tone. For example, when someone tells you a seemingly bizarre story, you may say, "Oh, really?"

2. It means to interrupt or attract attention lightly.

In conversation, "Oh" can also be used as a means to interrupt or attract the attention of the other party. You can use "Oh" as an introduction when you want to get the other person's attention or get into the topic. This usage is usually used to promote communication or arouse interest. For example, when chatting, you can say, "Oh, yes, I saw a very interesting movie yesterday."