I'd say in the arts or in art are equal translations
The arts includes all arts - painting, sculpture, cinema, theatre, poetry, music etc. I think this sentence is referring to art, as in the visual arts. The two expressions are not interchangeable.
we have no idea if the speaker has interests limited to those duo has used here. there is no context.
I agree with Patrickpiz. There's no context. English speakers have to intuit or guess the unvoiced letter(s) at the end of the word "art". Had this phrase been in a paragraph, it would be easy to understand, but not when it stands alone.