1. 小姑在英语中可以翻译为"cousin".

2. Cousin is a term used to refer to a relative who shares a common ancestor with you, but is not your sibling. In English, we use the word "cousin" to describe this relationship.

3. There are different types of cousins. For example, a "first cousin" refers to the child of your aunt or uncle. A "second cousin" refers to the child of your parent's cousin. And so on.

4. When talking about cousins in English, we usually specify whether they are from the mother's side or the father's side of the family. We use the terms "maternal cousin" or "paternal cousin" to indicate this.

5. It's important to note that the word "cousin" is used for both male and female relatives. To specify the gender, you can use additional words such as "male cousin" or "female cousin."

6. In some cultures, cousins are considered very close and have a special bond. They often grow up together and share many experiences. In English, the word "cousin" can also be used to describe a close friend or someone you consider as family, even if you are not blood-related.

7. In conclusion, the word for "小姑" in English is "cousin." Cousins are relatives who share a common ancestor but are not siblings. There are different types of cousins, and we can specify whether they are from the mother's side or father's side. The word "cousin" can also be used to describe a close friend or someone you consider as family.