This is the 930th most frequent Slovak word.
zlepšiť
"Zlepšiť" means "to improve."
The word 'zlepšiť' is used here as a verb meaning 'to improve', describing the student's effort to enhance their knowledge.
Študent sa snaží zlepšiť svoje znalosti z matematiky.
The student is trying to improve their knowledge of mathematics.
Here, 'zlepšiť' appears in past tense, reflexive form 'sa zlepšila', indicating that the physical condition improved on its own.
Počas roka sa jeho kondícia výrazne zlepšila.
During the year, his physical condition significantly improved.
In this sentence, 'zlepšiť' is used to express an intention to enhance or make better the working conditions by the manager.