鉄道 てつどう公安 こうあん職員 しょくいんだったら
tetsudōkōanshokuindattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 鉄道公安職員

1. If/when I were a railway police officer; If/when one were a railway police officer

Tara Conditional