1、He's an impartial and perspicacious judge.

2、Where the quality of humor, are smart perspicacious.

3、It is very perspicacious of you to find the cause of the trouble so quickly.

4、Suddenly thought that only high above him, all weather, perspicacious, anything that happened on earth, can not escape his eyes.

5、Before they had gone far it occurred to the perspicacious reddleman that he would have acted more wisely appearing less unimpressionable.