してみるべき

should try doing

→ 為る
phrase Rare #22,406
should try doing Expresses that someone ought to try an action. It is formed from する (to do), みる (to try), and べき (should/ought to). Often followed by だ or だよ in casual speech.
JA: この方法を一度試してみるべきだよ。
EN: You should try this method at least once.

ベートーヴェン聞いてるだけじゃダメ誰かキスしてみるべき

Just listening to Beethoven isn't enough—you should try kissing someone.

— Hoje Eu Quero Voltar Sozinho (2014)

チャンスを最大限に活用してみるべきだよ

You should make the most of the opportunity.