一いっ線せんを退しりぞく

expression, godan verb (-ku)

step back; retire; withdraw

Used when someone voluntarily steps back from a position, role, or active involvement, often in a formal or organizational context. Conveys a sense of yielding or making way.

• 会かい長ちょうは高こう齢れいを理り由ゆうに一いっ線せんを退しりぞくことを決きめた。

  The chairman decided to step back from the front line due to his advanced age.