Three example sentences of my own composition
一生に一度の～ ：a once-in-a-lifetime ～
① This must be a once-in-a-lifetime opportunity for me.
② A once-in-a-lifetime deluging rain hit Nagoya about 20 years ago.
③ He fell in once-in-a-lifetime love with her.
一生に一度の～ ：a once-in-a-lifetime ～
① This must be a once-in-a-lifetime opportunity for me.
② A once-in-a-lifetime deluging rain hit Nagoya about 20 years ago.
③ He fell in once-in-a-lifetime love with her.
