do you konw that in blue clothes teacher

这句话不对，如果你想表达的是“你认识那个穿蓝衣服的老师吗”
应该是 do you know that(the)teacher in blue?就可以了
一般表示穿什么颜色衣服的人，用in加颜色就可以了

do you know that teacher in blue?
你知道那位穿蓝衣服的老师吗？

有问题。应该表达为：
Do you know that teacher in blue?

穿什么颜色的衣服在英语里只需要说in+颜色就行了

Do you know that teacher in blue?

说一个人穿啥颜色的衣服 只要用 IN+颜色 要放在人称后面喔

记得电影: Men in black 吗?

Do you know that teacher wearing blue?

wearing in不行的

Do you know that teacher in blue?
这样更标准。
不过，如果这句话在口语交际中还是行的。口语对语法等要求稍低。