Maintaining boundaries of politeness and mutual respect in public is the basic principle of interpersonal communication. If you want to keep quiet, you can try the following methods： ### Practical advice 1. **Non-verbal cues** -Wear headphones or flip through books to indicate concentration -The line of sight is naturally cast out the window or mobile device -Respond with a nod and smile instead of language 2. **Polite response skills -Adopt a concise response: "Okay, thank you for reminding" -Prepare your itinerary in advance: "I'm checking work emails, sorry" -Kindly change the subject: "You worked very hard today, right?" ###Special reminder -Professional literacy is not necessarily related to academic qualifications. Most conductors' active communication stems from service awareness. -The 2019 "China Public Transportation Service Report" shows that 87% of drivers and crew have received professional service etiquette training -Moderate interpersonal interaction helps to create a harmonious public environment It is recommended to deal with such scenes in a peaceful manner to avoid affecting one's own travel experience due to preset judgments. Every worker deserves to be respected, and a sense of boundaries can be achieved by maintaining a kind and firm attitude.