不用客气的英文是怎么写？

You're welcome。
Don't mention it.
It's my pleasure。
都是很常用的。
（特殊场景，比如朋友到你家做客说了谢谢，你还可以说Make yourself at home；也翻译成不客气）

说法很多 最常用的有
It’s alright/ok.
You are welcome.
Pleasure.
no worries.

you are welcome
not at all

You are welcome!

You are welcom./That's all right./My pleasure.

you are welcome
not at all