A Mandarin-speaking nanny is a bilingual childcare professional who teaches children to speak the Mandarin language in addition to providing nanny care. Your duties include watching the children, taking them to participate in activities, preparing meals, and ensuring that they complete their daily tasks and routines. You also teach the children language skills by using Mandarin instead of English as you go about your daily activities. A Mandarin-speaking nanny can also work with native Mandarin-speaking families living in the United States. In this situation, your responsibilities include helping the children practice English daily and helping them communicate with native English speakers.