chasing
v.v. running after someone or something to catch them. You can also use it when you are trying very hard to reach a goal or get something you want.
v. pursuing someone or something rapidly in order to overtake or capture them. Often used figuratively to describe the persistent effort to attain a specific goal or status.
The dog is chasing a ball in the park.
The police spent hours chasing the suspect through the narrow streets of the old city.
Ambitious young professionals often find themselves chasing high-status titles at the expense of their personal well-being, only to realize that professional success does not always equate to fulfillment.
The present participle of 'chase'. It is a transitive verb that requires a direct object representing the person, animal, or goal being pursued.
He is chasing after to the busHe is chasing after the busWhen using 'chase after', do not add a preposition like 'to' before the object.