razor-sharp
As sharp as a razor; extremely sharp.
The executioner was proud that he kept his axe razor-sharp, so no prisoner would feel any pain when his head was cut off.
Very clever or quick-witted.
As sharp as a razor; extremely sharp.
The executioner was proud that he kept his axe razor-sharp, so no prisoner would feel any pain when his head was cut off.
Very clever or quick-witted.