perspicacious

1. ADJ Someone who is perspicacious notices, realizes, and understands things quickly. 敏锐的; 有洞察力的[正式]

...one of the most perspicacious and perceptive historians of that period. ...那个时期最敏锐、最有洞察力的历史学家之一。

2. perspicacityN-UNCOUNT

I congratulated her on her perspicacity. 我就她的洞察力向其表示祝贺。