Pre-noun adjectival (rentaishi)
strange; unexpected; (by) chance; unusual; curious
see 思いがけない
昨日、ひょんなことで父親の戸籍抄本のコピーを見てしまいました。Yesterday I stumbled across a copy of my father's family register.
Pre-noun adjectival (rentaishi)
strange; unexpected; (by) chance; unusual; curious
see 思いがけない