Translation of "firstly" into Indonesian

Firstly, sir, lei me say it is a privilege to be speaking to someone as accomplished as you.

Pertama-tama, Pak, izinkan aku mengatakan suatu kehormatan bisa berbicara pada seseorang sehebat kau.

You are here, firstly, because you have nothing better to do.

Kalian berada di sini, pertama, karena tidak ada yang bisa kalian lakukan.