They lit a fire to keep off wild animals.

他们点燃篝火防止野兽靠近。

《牛津词典》

Panic spread like wild fire and the tulip market collapsed totally.

恐慌像野火一样蔓延，郁金香市场彻底崩溃。

youdao

The news spread like wild-fire.

消息像野火般迅速传播开来。

《新英汉大辞典》

Dunvegan, Portree and Uig crews extinguished a wild fire that burnt 40 acres on Skye.

BBC: Wild fire land in north and isles covers '10 Hampdens'

More critically, these risks can spread like wild fire as we saw in collateralised debt obligations and credit default swaps markets.

FORBES: Dark Pools: The Menace Of Rising Opacity In Financial Markets

His reorganization of the state budget sought to eliminate the root of the shortfalls, not simply eliminate various state-funded programs that would have amounted to bringing a garden hose to a wild fire.

FORBES: This Is Wisconsin Gov. Scott Walker's John Hancock Moment