If you want to politely reduce the conversation with your nanny at a family gathering, you can try the following strategies: 1. **Keep it short**: Try to be brief and clear when answering, and don't initiate the conversation, but keep a friendly tone. 2. **Politely change the subject**: Turn the focus to something of common interest, such as the child or the interests of other family members. 3. **Invite others**: Draw the conversation to other family members, such as asking her to share her views on a topic, and then invite others to join the discussion. 4. **Busy other things**: Find an excuse to naturally withdraw from the conversation, such as needing to prepare food, help the children, or participate in other activities. 5. **Express concern, but don't go too deep**: You can ask about her work or family, but don't go too deep and keep your concern superficial. 6. **Use graceful exits:** For example, "Sorry, I need to check on something else" or "Let's talk later." Make sure your behavior is always respectful and polite, and avoid making the other person feel ignored.