Most of these are butt naked!

其中大部分都是赤裸裸的！

And the match isn't over until one of us is butt naked.

脱到没衣服可脱了比赛才结束。

If someone strips down to their birthday suit, would you say they were butt naked or buck naked?

如果有人脱下他们的生日套装，你会说他们是光着屁股还是光着屁股？

While buck naked is the earlier form, nobody would bat an eyelid or, to misuse a common phrase, an eyelash, if you were to say 'butt naked'.

虽然 buck naked 是较早的形式， 但如果您要说“butt naked”， 没有人会眨眼，或者用一个常见的短语来误用睫毛。