perspicacious

Having a ready insight into and understanding of things; perceptive.

• perspicacity/ˌpɜːspɪˈkæsɪti/(n)洞察力
• perspicaciously/ˌpɜːspɪˈkeɪʃəsli/(adv)敏锐地

• perspicacious observer
• perspicacious analysis
• perspicacious comment
• perspicacious reader

1. 1.The perspicacious detective noticed a detail everyone else had missed. (keenly observant)
2. 2.Her perspicacious analysis of the market predicted the downturn months in advance. (sharp-minded)

• astute/əˈstjuːt/— shrewd, sharp judgment
• perceptive/pəˈsɛptɪv/— quick to notice
• discerning/dɪˈsɜːnɪŋ/— showing good judgment

from Latin "perspicax" — per- (through) + specere (to look) — looking through to the truth