弾はずみがつく

expression, godan verb (-ku)

gain momentum; pick up steam; get a boost

Used when an activity or situation starts to develop positive momentum, often after an initial push or trigger.

See also: 弾み (はずみ)

• 最さい初しょは緊きん張ちょうしていたが、話はなし始はじめたら弾はずみがついてどんどん話はなせた。

  I was nervous at first, but once I started talking I gained momentum and could speak more and more.