試してみたい

want to try

→ 試す
phrase Rare #34,679
want to try 試してみる means “to try,” with みたい expressing a desire to do something. It can also mean “would like to try.”
JA: この料理を自分で試してみたい。
EN: I want to try making this dish myself.

試してみたいんだ何をしようとしている分からないけど一緒にしたいんだ

I want to try it. I don't know what you're trying to do, but I want to do it together.

— ラ・ラ・ランド (2016)

今回はニーマン試してみたい

This time, I'd like to try Niemann.

— セッション (2014)

試してみたい

I’d like to try it.

この新しい機種を買う前に一度試してみたい

I’d like to try this new model before buying it.