精しい

(1)(usually followed by `with') well informed about or knowing thoroughly; "conversant with business trends"; "familiar with the complex machinery"; "he was familiar with those roads"

(2)について情報通のあるいはとことん知っている

(3)developed or executed with care and in minute detail; "a detailed plan"; "the elaborate register of the inhabitants prevented tax evasion"- John Buchan; "the carefully elaborated theme"

(4)慎重に微細に開発されるか、または実行される

(1)