dress in和dress up in的区别

dress in
(使)穿 ...的服装
You should dress in a way that befits a woman of your position.
The bride may dress in red silk and may wear cardboard wings with feathers on her head.
dress up in
穿上
They're all dress up in their robes and their bed sheets and act like a bunch of ghosts or spooks or something.
俩者都表示“穿”,dress up 更侧重与穿的动作和状态；dress in 强调服装的样式
祝学业进步!

答：dress作为及物动词，后跟人作宾语：dress sb./oneself
有be dressed in +衣服的用法，如：He is dressed in a coat.
dress 作为不及物动词，后不跟宾语，状语可以是in a hurry 之类的，没见过dress in a coat 这类说法。
dress up 也是不及物动词词组。表示‘穿戴起来’，如：Plea...

dress in表示穿着
dress up 有装扮的意思