高等

猿にしてはずいぶん高等な芸を見せるものだ。

That's quite a sophisticated trick for a monkey.

彼のやり方は一見単純だが、実はかなり高等な戦術だ。

His approach looks simple, but it's actually a fairly advanced tactic.

そんな高等な冗談は私にはとても理解できない。

A joke that sophisticated is completely beyond me.