凡庸 ぼんよう愚昧 ぐまいだったら
bon'yō gumaidattara

Noun
Da Copula
na-Adjective
no-Adjective

The "-tara" conditional form ("if/when…") of 凡庸愚昧

1. If/when commonplace and foolish; If/when mediocre and ignorant

Tara Conditional