機き運うんが高たかまる

expression, godan verb (-ru)

gather momentum; build up steam; reach a peak

Used when a movement, trend, or public mood gains strength and approaches a climax. Often implies a favorable or inevitable development.

• 改かい革かくの機き運うんが高たかまっている。

  Momentum for reform is building.

• 選せん挙きょを前まえに、政せい権けん交こう代たいの気き運うんが高たかまった。

  Ahead of the election, momentum for a change of government grew.