Usages of stručnjak
Njen ujak je stručnjak za umjetnost, a moj rođak je stručnjak za računala.
Her uncle is an expert in art, and my cousin (male) is an expert in computers.
On je stručnjak za hrvatski jezik.
He is an expert in the Croatian language.
Profesor je stručnjak za hrvatski jezik.
The professor is an expert in the Croatian language.
Elon.io is an online learning platform
We have an entire course teaching Croatian grammar and vocabulary.