storm

• 引起了一场小小的风波

  caused a small storm

• 免不了一场风波。

  A disturbance is unavoidable.

• 发生了一场小风波。

  There was a small disturbance.

• 起了一场大风波。

  A major storm has broken out.

• 政治风波

  political storm

• 平地风波

  unexpected trouble