1. When asked about how to say "我在家里" in English, the answer is "I am at home". This is a simple and straightforward translation. However, English speakers might also use other phrases that convey the same meaning, such as "I am at my house", "I am home", or even "I am chilling at home" if they want to emphasize that they are relaxing or doing nothing in particular.

2. It is worth noting that "home" in English can refer to both the physical place where one lives and the emotional concept of feeling comfortable and safe. For example, someone might say "I feel at home with you" to express that they feel comfortable and accepted in someone's company, even if they are not literally in their own house.

3. When it comes to discussing activities or routines that one does while at home, English speakers might use expressions like "I am spending time at home", "I am hanging out at home", or "I am lounging around at home". These phrases imply a sense of leisure or relaxation, as opposed to being busy or productive.

4. On the other hand, if one wants to talk about doing work or chores at home, they might use phrases like "I am working from home", "I am doing housework", or "I am running errands around the house". These expressions emphasize the practical aspects of being at home rather than the emotional or social ones.

5. In conclusion, the phrase "我在家里" can be translated to "I am at home" in English, but there are many variations and nuances depending on the context and intention of the speaker. Understanding these subtle differences can help English learners master the language more effectively and communicate their ideas more clearly.