賢さかしい

i-adjective

intelligent; wise; clever

Often used in a somewhat literary or formal context. Can carry a nuance of being shrewd or discerning, but not necessarily negative.

• 彼かれは賢さかしい判はん断だんで難なん局きょくを乗のり切きった。

  He navigated the difficult situation with a wise decision.

i-adjective

smart-alecky; cheeky; impertinent

Used to describe someone who is overly clever in an irritating or presumptuous way, often with a nuance of being too big for one's britches.

• あの子こは賢さかしい口くちをきく。

  That kid talks back cheekily.

• 賢さかしい真似まねをするな。

  Don't get smart with me.