場ば数かずを踏ふむ

expression, godan verb (-mu)

gain experience; get accustomed through repeated practice

Used when someone becomes skilled or comfortable at something by doing it many times. Often implies overcoming initial nervousness or inexperience.

• 彼かれは場ば数かずを踏ふんで、今いまでは人ひと前まえで話はなすのが得とく意いだ。

  He has gained experience and is now good at speaking in public.

• 場ば数かずを踏ふめば、失しっ敗ぱいを怖こわがらなくなる。

  If you get accustomed through practice, you'll stop being afraid of making mistakes.