ふけらなければならない【耽らなければならない】
fukeranakereba naranai
1. Must do; Have to do
★ Common
Adjective
#1796474
1. Must do; Have to do
1. I see; that's right
1. mere; simple
1. prefectures (of Japan, excl. Tokyo and Hokkaido)
1. poor health; ill health
1. to indulge in; to give oneself up to
2. to be engrossed in; to be lost in
1. National League
1. to age; to grow old (esp. in appearance)
1. to get late; to advance