段だん飛とばし

expression, noun or participle which takes 'suru'

skipping steps on stairs

Used with a number prefix like ２段飛ばし (two steps at a time) or ３段飛ばし (three steps at a time). Often implies hurrying.

• 彼かれは急いそいで階かい段だんを２段だん飛とばしで駆かけ上あがった。

  He rushed up the stairs two steps at a time.

• ３段だん飛とばしは危あぶないからやめなさい。

  Don't skip three steps at a time; it's dangerous.