Various uses of the English "for" to indicate purpose The sentences below all use the word "for" to indicate purpose. I tried to think of a few sentences that may use "for" a little bit differently. Can you help me understand how to use "for" in Chinese?

How would you translate "do you have a microwave for guests to use?" Is it: “你有一个客人可以用的微波炉吗？” is there a better way to say that?

Also:
"This microwave is for guests use only."

"Is this gift for me?"

"That chair is not made for adults. It is only for kids."
There are many ways to say it.
你有给客人用的微波炉吗？
你有一台微波炉好给客人用吗？
你有给客人用的微波炉吗？

“Is this gift for me?"
这个礼物是给我的吗？
这是给我的礼物吗？

"That chair is not made for adults. It is only for kids."
这把椅子不是给成人制作的，只是给孩子的。