lính cứu hỏa in English:

He made up his mind to be a fireman.

Tom eagerly ate the sandwich that the fireman gave him.

The fireman soon put the fire out.

It took the fireman almost two hours to put out the fire.

The fireman could not extinguish the flames.

What's a fireman's job?

This is a fireman

I don't recall ever wanting to be a fireman or a baseball player as a youth.