aspiring

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The climber carefully ascended the steep hill to reach the top of the mountain. "

"The new skyscraper downtown is taller than any building in the city. "

"My son, John, wants to be a firefighter very much. He has a lot of ambition."

"My younger sister achieved good grades in her math class this semester. "

"Her dedication to her studies earned her top grades in every subject. "

"The building of the bridge will be completed in a couple of weeks."

"He aspires to become a successful doctor."

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"The student's audition for the school play showed her impressive singing voice. "

"The skyscraper was so tall that it was dwarfing all the smaller buildings around it. "

"Morgan has an aspiration of winning the game."