noun
ordinarily; usually; in normal times
Adverbial noun meaning 'in ordinary days' or 'normally'; often used with の to modify nouns or as a standalone adverbial phrase. Somewhat formal or written style.
平生は早起きだが、今日は寝坊した。
I usually get up early, but I overslept today.
平生は穏やかな彼が、珍しく怒っていた。
He is usually calm, but unusually, he was angry.