她一定是疯了翻译成英文，5种不同语境下的正确译法

1. In this context, "She must be crazy" would be the most straightforward translation, suitable for a situation where someone is acting in a way that is clearly irrational or out of character.

2. In a more colloquial or informal setting, you might say, "She's gone bananas!" This is a more casual way of expressing the same sentiment.

3. If the statement is made in a medical or clinical context, it might be translated as, "She must be experiencing a psychotic episode," which acknowledges the possibility of a mental health issue.

4. In a situation where someone is being overly enthusiastic or dramatic, the translation could be, "She's over the moon!" This implies she's acting in a way that is exaggerated or overly excited.

5. In a more serious or critical context, especially when discussing someone's behavior that is harmful or inappropriate, you might say, "She's out of her mind!" This emphasizes the severity of the situation and the unacceptability of her actions.