Here are some ways to refer to "Bhabhi" in English, depending on the context and your relationship:
* Sister-in-law: This is the most common and neutral term.
* Brother's wife: This is a more formal and descriptive way to refer to her.
* [Brother's name]'s wife: This is specific and personal.
* [Nickname]: If you have a close relationship and use a nickname, you can use that.
The best way to address someone as "Bhabhi" in English depends on your relationship and the social setting.