郵便 ゆうびん集配 しゅうはい にんだったら
yūbinshūhainindattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 郵便集配人

1. If I were a mail carrier; If one were a mail carrier; When/if (someone is) a mail carrier

Tara Conditional