The cat chased after it, determined to catch its prey.
Meaning: The cat followed the mouse closely, wanting very much to catch it.
Choice of Words: "Chased" means to follow someone or something quickly in order to catch them. "Determined" means having a strong desire to do something.
Alternative Expressions
The cat sprinted after it, hoping to seize its target.
Meaning: This sentence means that the cat was running very fast after something and really wanted to catch it.
Choice of Words:Cat is the animal that is doing the chasing. Sprinted means that the cat was running very fast. After means that the cat was following something. It is the thing that the cat was chasing. Hoping means that the cat was thinking that it would be able to catch its target. Seize means that the cat wanted to grab the thing that it was chasing. Target is the thing that the cat was trying to catch.
The feline pursued its quarry with relentless determination.
Meaning: This sentence means that the cat was chasing something and was not going to give up until it caught it.
Choice of Words:Feline is a fancy word for cat. Pursued means that the cat was chasing something. Quarry is the thing that the cat was chasing. Relentless means that the cat was not going to give up. Determination means that the cat was really focused on catching its prey.