more
The word 'mehr' in German is used to express the concept of 'more' or 'additional'. It can be used as an adjective, adverb, or pronoun. As an adjective, it can be used to describe nouns, such as 'mehr Geld' (more money). As an adverb, it can modify verbs, such as 'mehr arbeiten' (to work more). As a pronoun, it can be used to refer to a larger amount or number, such as 'Ich habe mehr' (I have more).
I want to drink more water.
In this example, 'mehr' is used to express the desire for a greater quantity of something, similar to the English 'more'.
You need to study more.
Here, 'mehr' is used to indicate an increase in intensity or quantity. The sentence suggests an increase in the amount of studying.
There is nothing more to say.
In this context, 'mehr' indicates a conclusion or an end. It is used to express that there is no additional information or comments.