How about going dancing?
Children dance to music until the music stops.
I don't go dancing often.
Are you keen on dancing?
Are you good at dancing?
May I invite you to dance with me?
（还可以说：How about a dance?/
Can I have the favor to dance with you?）
May I have the pleasure of the next dance?
May I have the next dance?
I like learning different kinds of folk dances which makes me feel energetic.
China is famous for many different types of folk dances.
A: May I invite you to dance with me?
"May I come in?"（我可以进来吗？学生对老师说）
"May I buy a hot dog?"（我可以买根热狗吗？儿子对父亲说）
"May I see the manager?"（我可以见经理吗？来访者或者雇员对秘书说）
B: Sorry, I can't dance.
A: Never mind. I can teach you.
B: Is it difficult to learn?
A: No. It is easy.
B: How should I do?
A: You just follow me.
B: All right. By the way, do you often dance?
By the way表示“顺便问一下”，可以放在句子中间或者句首。用来引出下一个话题。在日常的短信或者聊天时可以缩写成BTW
By the way, I have something to tell you.
A: Yep. Because dance can relax myself.
B: It seems like a good way.