他因在住宅区超速行驶，涉嫌鲁莽驾驶而被捕。

He was arrested for ___reckless driving after speeding through a residential area.

那份环境报告批评了破坏脆弱岩层的不顾后果的攀登行为。

The environmental report criticized ___reckless climbing that damages fragile rock formations.

把你所有的积蓄都投到一家初创公司是一个鲁莽的财务决定。

Investing all your savings in a single startup is a ___reckless financial decision.