The banks were in crisis due to wild speculation by the rich.

这些银行由于富人们的野蛮投机行为而陷入危机。

My offer was based on reasonable profit, not on wild speculation.

我们的报价以合理利润为依据, 不是漫天要价.

The current groundswell of wild speculation harks back to late 2007, when AppleInsider conjured a rumor that Apple was working on a slightly larger version of the iPhone.

目前漫天飞舞的猜测来源于2007年底，据当时苹果的内部人士言，苹果正致力于一种略大版本的iPhone的研究。

The New York Daily News reported on October 13 that a mysterious object floating high over New York set off a flurry of reports and wild speculation Wednesday that a UFO was flying over the city.

据美国《纽约每日新闻》10月13日报道，当日有不明飞行物出现在美国纽约上空，引发媒体和当地民众对此事的关注热潮，有人猜测不明飞行物是外星飞碟。