独り身
to live single―live in single blessedness―continue single―(男なら)―remain a bachelor―(女なら)―remain a spinster
I am single.
独身でいる.
独身生活.
I am a bachelor.
I am single.
(男なら)He remained a bachelor all his life―lived and died a bachelor―(女なら)―She continued single through life―lived and died a virgin
to live single all one's life―continue single through life―(男なら)―remain a bachelor through life―live and die a bachelor―(女なら)―live and die a virgin
They are all bachelors without exception―without an exception.