It would be foolhardy to sail in weather like this.

这种天气出航就是瞎冒险。

《牛津词典》

And, like climate change, it may be foolhardy to ignore any of them.

而且，就像气候变化那样，忽视其中任何一种可能都是莽撞的。

youdao

"At present, it would be foolhardy to say one [theory] looks better than the other," says CERN theorist John Ellis.

“目前，要说某种[理论]看起来比其他更好些，这将是鲁莽的，”欧洲核子研究中心的理论家约翰·埃利斯(John Ellis)说。

youdao

So to anticipate how that will look I think would be foolhardy on my part.

WHITEHOUSE: Press Briefing

To go after those things that drive economic growth, create jobs would be foolhardy.

WHITEHOUSE: Press Briefing

But the crunch and recession will surely persuade some Scots that going it alone would be foolhardy.

ECONOMIST: Bagehot