英语晚安要怎么说怎么写

In English, you can say "Good night" or "Have a good night" as a way to say "good night." To write it, you can simply write "Good night" or "Have a good night."
Here are a few other phrases you can use to say "good night" in English:
Sweet dreams
Sleep well
Take care
See you tomorrow
Rest up
You can use these phrases when you want to wish someone a peaceful and restful night.