一いちにも二ににも

expression

above all else; first and foremost; before anything else

Emphasizes that something is the absolute priority; often used when stating a primary requirement or the most important thing to do.

• 成せい功こうするには、一いちにも二ににも努ど力りょくが大たい切せつだ。

  To succeed, effort is important above all else.

• 健けん康こうのためには、一いちにも二ににも十じゅう分ぶんな睡すい眠みんが必ひつ要ようです。

  For your health, adequate sleep is necessary first and foremost.