razor-sharp

Adjective

idiomatic

As sharp as a razor; extremely sharp. / (idiomatic) Very clever or quick-witted.

Japanese Meaning

かみそりのように鋭い；非常に鋭いという意味 / （慣用的に）非常に賢く、機転が利くという意味

Her razor-sharp wit cut through the room's tension and made everyone laugh.

彼女のかみそりのように鋭い機知が部屋の緊張を切り裂き、皆を笑わせた。

Sense（1）

As sharp as a razor; extremely sharp.

Sense（2）

(idiomatic) Very clever or quick-witted.