on the ladder 意味

• 職制上｛しょくせいじょう｝
  

例文

1. no usable prints on the ladder or any of the paintbrushes .
   梯子にもペンキブラシにも 指紋採取不可能
2. sachuben was considered the first step on the ladder of the promotion to third rank or above , as the officials who served as sachuben or above were qualified to be promoted to sangi , but those who served as uchuben and below were not qualified .
   左中弁以上の経験者には参議に昇進する資格があり（右中弁以下にはない）、将来三位以上に昇る道が開かれた出世の登竜門であった。