1. 明察,颖悟的：perspective 正确眼光,景色 | perspicacious 明察,颖悟的 | perspicuous 明白,明显的
2. 聪明的：perspectively 依透视画法 | perspicacious 聪明的 | perspicacity 敏锐
3. 敏锐的：Perspicuous:明了的 | Perspicacious:敏锐的 | Torpor:不活泼
4. 有洞察力的：perspectometer 透视画仪器 | perspicacious 有洞察力的 | perspicacious 聪颖的
1. 敏锐的；有洞察力的
Someone who is perspicacious notices, realizes, and understands things quickly.
perspicacious
e.g. ...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
adj
1. mentally acute or penetratingly discerning
e.g. too clear-eyed not to see what problems would follow
chaos could be prevented only by clear-sighted leadership
much too perspicacious to be taken in by so spurious an argument
Synonym: clear-eyedclear-sighted
2. acutely insightful and wise
e.g. much too perspicacious to be taken in by such a spurious argument
observant and thoughtful, he was given to asking sagacious questions
a source of valuable insights and sapient advice to educators