vast

refers to the largest part of a group of people or things

describes a very large physical region or surface

大量的

used to refer to a very large quantity of something uncountable

用于指代非常大量的不可数事物

巨大的数量

used to refer to a very large quantity of something countable

用于指代非常大量的可数事物

describes a wide, open area of land, sea, or sky

describes a very large area of land controlled by a country or ruler

refers to a very large number of people gathered together

used to say that the reality is much more serious or extreme than what was said

refers to a very large group of people, often organized