二に重じゅう三さん重じゅう

noun

twofold and threefold; doubled and redoubled

Emphasizes multiple layers or repeated intensification, often used figuratively for troubles, precautions, or blessings that pile up.

• 彼かれの失しっ敗ぱいは二に重じゅう三さん重じゅうのミスが重かさなった結けっ果かだ。

  His failure was the result of multiple mistakes piling up.

• 二に重じゅう三さん重じゅうの安あん全ぜん対たい策さくを講こうじる必ひつ要ようがある。

  We need to take doubled and redoubled safety measures.