In English, the "mess" in "be a mess" and "be in a mess" mainly refers to a messy and untidy state, but the two are different in specific applications. The "mess" in "be a mess" usually refers to visible and concrete mess. ①In a mess means: a mess, it is a prepositional phrase ②a mess is just a noun, and when used, the verb be is usually added. What a mess you are in! What a mess you are in.
WHAT A MESS / WHOLE HOUSE CLEANUP YouTube
mess up a disorderly or dirty accumulation, heap, or jumble: Mess: a messy or dirty pile, piece or mass: left a mess in the yard. What a mess in Chinese: What a mess in Chinese: What a mass in Chinese: So much mess Pronunciation English [mes] American [mes] 1. n.
For example: he left the room in a mess. He left the room in a mess.
Mess up: mess up. Usage: Usually used to describe the state of something or a situation being messed up or messed up. Example: i'm sorry, i think i messed up your report.