acumen

他在投资方面展现出了非凡的商业敏锐度。

He demonstrated exceptional business ___acumen in his investment decisions.

他的工程直觉使他在几分钟的检查中就诊断出了桥梁的结构缺陷。

His engineering ___acumen allowed him to diagnose the structural flaw in the bridge within minutes of inspection.

这位初级合伙人的法律慧眼令资深律师印象深刻，她发现了一个三年来一直被忽视的关键漏洞。

The junior partner's legal ___acumen impressed the senior attorneys when she spotted a crucial loophole that had been overlooked for three years.