This is the 12125th most frequent Spanish word.
intentas
"Intentas" means "you try" (second person singular, present tense of "intentar").
In this sentence, 'intentas' means 'you try', referring to the action of attempting something.
Cuando intentas algo nuevo, siempre aprendes.
When you try something new, you always learn.
Here, 'intentas' is used to communicate the act of deciding to undertake studying more.
Si intentas estudiar más, mejorarás tus notas.
If you attempt to study more, you will improve your grades.
In this structure, 'intenta', the root form of 'intentas', conveys a command or direct request to concentrate.