perspicacious

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

...one of the most perspicacious and perceptive historians of that period. ...那個時期最敏銳、最有洞察力的歷史學家之一。

2. perspicacityN-UNCOUNT

I congratulated her on her perspicacity. 我就她的洞察力曏其表示祝賀。