When you don't want to drink wine,you put your wine glass bottom up.这句话礼貌不礼貌?

When you don't want to drink wine,you put your wine glass bottom up.这句话礼貌不礼貌?
When you don't want to drink wine,you put your wine glass bottom up.
这句话礼貌不礼貌?

When you don't want to drink wine,you put your wine glass bottom up.这句话礼貌不礼貌?
不礼貌,改成这样
How about drink wine?Please put your wine glass bottom up.

没有不礼貌呀，外国人有这种习惯

改一个词就好啦~
When you don't want to drink wine,please put your wine glass bottom up.

也没有不礼貌啊，要看怎么说了呗
还有就是有点不太通顺
改一小下
If you don't want to drink wine,Please put your wine glass bottom up.