Choice of Words: Cheetah is the fastest land animal, so comparing someone's speed to a cheetah means they are very fast.
Alternative Expressions
She is a fast runner like a cheetah.
Meaning: This means that the person is very good at running, just like a cheetah, which is a very fast animal.
Choice of Words:She is a pronoun that refers to a female person. Is is a verb that means to exist or to be in a certain state. A is an article that refers to one of something. Fast is an adjective that means moving or happening at a high speed. Runner is a noun that refers to a person who runs, especially for exercise or competition. Like is a preposition that means similar to. Cheetah is a noun that refers to a type of big cat known for its speed. When you put them together, "She is a fast runner like a cheetah" means that the person is a very good runner, similar to how a cheetah is a very fast animal.
She can run as fast as a cheetah.
Meaning: This means that the person is able to run very quickly, just like a cheetah, which is a very fast animal.
Choice of Words:She is a pronoun that refers to a female person. Can is a modal verb that means to be able to do something. Run is a verb that means to move quickly on your feet. As is a conjunction that means to the same degree or extent. Fast is an adverb that means at a high speed. As is a preposition that means similar to. Cheetah is a noun that refers to a type of big cat known for its speed. When you put them together, "She can run as fast as a cheetah" means that the person is able to run very quickly, similar to how a cheetah runs.