Cách sử dụng
The expression "be a mass of" is used to describe a situation where something is in a disorganized or chaotic state, often referring to a physical object or a group of things. For example, you could say "My closet is a mass of clothes" to describe that there are a lot of clothes piled up and disorganized in the closet. Another example could be "The desk was a mass of papers and books" to describe that there were many papers and books scattered all over the desk in a disorderly way.