To stay safe in English, you can say "keep safe" or "stay safe." These phrases are commonly used as a way to wish someone well and to ensure their safety in a potentially dangerous situation. For example, you might say "Stay safe during the storm" to someone who is preparing to weather a storm, or "Keep safe on your trip" to someone who is about to embark on a long journey. In Chinese, these phrases can be translated as "保持安全" or "保重."

Some example sentences using these phrases in English are:

"Please keep safe during the coronavirus outbreak."

"Stay safe on your hike and remember to bring plenty of water."

"I hope you have a safe trip and that you keep safe until we see each other again."

These phrases are often used as a way to show concern for someone's well-being, especially in situations where there is potential for harm or danger. They can also be used as a way to remind someone to take necessary precautions to ensure their safety.