对某人友善怎么说用英语

To be friendly to someone in Engpsh, you can say "be friendly" or "be kind" to that person. Here are a few other phrases that convey the same meaning:

Show kindness towards them
Treat them with respect
Be considerate of their feepngs
Be warm and welcoming
Show them warmth and kindness
Be amiable and affable
Be cordial and friendly

You can also use body language and nonverbal cues to convey friendpness, such as smipng, maintaining eye contact, and using an open and approachable body posture.