Significados de perspicacious observer en inglés

That date may indicate, to a perspicacious observer, the epoch at which Flore Brazier ceased to be an honest girl.

You are a perspicacious observer, Mr. Brocken; and to be that is to be alive in a world of the moribund.

I don't say anything against your family-understandthat! added Newman, with an eagerness which might have made a perspicacious observer smile.